Home / 3,476.92-4,798.55-1,985.05

Finding the Fourth Proportional to 3,476.92, 4,798.55 and 1,985.05

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Solution

The fourth proportional to 3,476.92, 4,798.55 and 1,985.05 is: 2,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.92 : 4,798.55 = 1,985.05 : x
  2. Step 2: Convert to fraction form
    3,476.92/4,798.55 = 1,985.05/x
  3. Step 3: Cross multiply
    3,476.92x = 4,798.55 × 1,985.05
  4. Step 4: Simplify right side
    3,476.92x = 9,525,327.76
  5. Step 5: Solve for x
    x = 9,525,327.76/3,476.92
  6. Step 6: Final answer
    x = 2,739.59

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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.