Home / 3,569.28-4,918.96-2,572.88

Finding the Fourth Proportional to 3,569.28, 4,918.96 and 2,572.88

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Solution

The fourth proportional to 3,569.28, 4,918.96 and 2,572.88 is: 3,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.28 : 4,918.96 = 2,572.88 : x
  2. Step 2: Convert to fraction form
    3,569.28/4,918.96 = 2,572.88/x
  3. Step 3: Cross multiply
    3,569.28x = 4,918.96 × 2,572.88
  4. Step 4: Simplify right side
    3,569.28x = 12,655,893.80
  5. Step 5: Solve for x
    x = 12,655,893.80/3,569.28
  6. Step 6: Final answer
    x = 3,545.78

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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.