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Finding the Fourth Proportional to 2,363.58, 3,545.87 and 903.15

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Solution

The fourth proportional to 2,363.58, 3,545.87 and 903.15 is: 1,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.58 : 3,545.87 = 903.15 : x
  2. Step 2: Convert to fraction form
    2,363.58/3,545.87 = 903.15/x
  3. Step 3: Cross multiply
    2,363.58x = 3,545.87 × 903.15
  4. Step 4: Simplify right side
    2,363.58x = 3,202,447.97
  5. Step 5: Solve for x
    x = 3,202,447.97/2,363.58
  6. Step 6: Final answer
    x = 1,354.91

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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.