Home / 3,545.28-5,312.52-1,693.85

Finding the Fourth Proportional to 3,545.28, 5,312.52 and 1,693.85

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Solution

The fourth proportional to 3,545.28, 5,312.52 and 1,693.85 is: 2,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.28 : 5,312.52 = 1,693.85 : x
  2. Step 2: Convert to fraction form
    3,545.28/5,312.52 = 1,693.85/x
  3. Step 3: Cross multiply
    3,545.28x = 5,312.52 × 1,693.85
  4. Step 4: Simplify right side
    3,545.28x = 8,998,585.44
  5. Step 5: Solve for x
    x = 8,998,585.44/3,545.28
  6. Step 6: Final answer
    x = 2,538.19

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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.