Home / 3,440.29-4,742.61-2,542.71

Finding the Fourth Proportional to 3,440.29, 4,742.61 and 2,542.71

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Solution

The fourth proportional to 3,440.29, 4,742.61 and 2,542.71 is: 3,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.29 : 4,742.61 = 2,542.71 : x
  2. Step 2: Convert to fraction form
    3,440.29/4,742.61 = 2,542.71/x
  3. Step 3: Cross multiply
    3,440.29x = 4,742.61 × 2,542.71
  4. Step 4: Simplify right side
    3,440.29x = 12,059,081.87
  5. Step 5: Solve for x
    x = 12,059,081.87/3,440.29
  6. Step 6: Final answer
    x = 3,505.25

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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.