Home / 3,477.34-4,798.86-1,985.27

Finding the Fourth Proportional to 3,477.34, 4,798.86 and 1,985.27

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Solution

The fourth proportional to 3,477.34, 4,798.86 and 1,985.27 is: 2,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.34 : 4,798.86 = 1,985.27 : x
  2. Step 2: Convert to fraction form
    3,477.34/4,798.86 = 1,985.27/x
  3. Step 3: Cross multiply
    3,477.34x = 4,798.86 × 1,985.27
  4. Step 4: Simplify right side
    3,477.34x = 9,527,008.80
  5. Step 5: Solve for x
    x = 9,527,008.80/3,477.34
  6. Step 6: Final answer
    x = 2,739.74

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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.