Home / 3,572.10-4,957.20-3,426.30

Finding the Fourth Proportional to 3,572.10, 4,957.20 and 3,426.30

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Solution

The fourth proportional to 3,572.10, 4,957.20 and 3,426.30 is: 4,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.10 : 4,957.20 = 3,426.30 : x
  2. Step 2: Convert to fraction form
    3,572.10/4,957.20 = 3,426.30/x
  3. Step 3: Cross multiply
    3,572.10x = 4,957.20 × 3,426.30
  4. Step 4: Simplify right side
    3,572.10x = 16,984,854.36
  5. Step 5: Solve for x
    x = 16,984,854.36/3,572.10
  6. Step 6: Final answer
    x = 4,754.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.