Home / 3,557.40-5,329.17-2,167.29

Finding the Fourth Proportional to 3,557.40, 5,329.17 and 2,167.29

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Solution

The fourth proportional to 3,557.40, 5,329.17 and 2,167.29 is: 3,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.40 : 5,329.17 = 2,167.29 : x
  2. Step 2: Convert to fraction form
    3,557.40/5,329.17 = 2,167.29/x
  3. Step 3: Cross multiply
    3,557.40x = 5,329.17 × 2,167.29
  4. Step 4: Simplify right side
    3,557.40x = 11,549,864.98
  5. Step 5: Solve for x
    x = 11,549,864.98/3,557.40
  6. Step 6: Final answer
    x = 3,246.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.