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Finding the Fourth Proportional to 3,476.77, 4,798.29 and 1,984.92

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Solution

The fourth proportional to 3,476.77, 4,798.29 and 1,984.92 is: 2,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.77 : 4,798.29 = 1,984.92 : x
  2. Step 2: Convert to fraction form
    3,476.77/4,798.29 = 1,984.92/x
  3. Step 3: Cross multiply
    3,476.77x = 4,798.29 × 1,984.92
  4. Step 4: Simplify right side
    3,476.77x = 9,524,229.23
  5. Step 5: Solve for x
    x = 9,524,229.23/3,476.77
  6. Step 6: Final answer
    x = 2,739.39

Related Problems

Find fourth proportional to 1,738.39, 2,399.15 and 992.46
Half scale
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Double scale
Find fourth proportional to 3,477.77, 4,799.67 and 1,985.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.