Home / 3,545.97-5,320.17-1,355.06

Finding the Fourth Proportional to 3,545.97, 5,320.17 and 1,355.06

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Solution

The fourth proportional to 3,545.97, 5,320.17 and 1,355.06 is: 2,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.97 : 5,320.17 = 1,355.06 : x
  2. Step 2: Convert to fraction form
    3,545.97/5,320.17 = 1,355.06/x
  3. Step 3: Cross multiply
    3,545.97x = 5,320.17 × 1,355.06
  4. Step 4: Simplify right side
    3,545.97x = 7,209,122.96
  5. Step 5: Solve for x
    x = 7,209,122.96/3,545.97
  6. Step 6: Final answer
    x = 2,033.05

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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.