Home / 3,545.62-5,316.40-1,079.71

Finding the Fourth Proportional to 3,545.62, 5,316.40 and 1,079.71

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Solution

The fourth proportional to 3,545.62, 5,316.40 and 1,079.71 is: 1,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.62 : 5,316.40 = 1,079.71 : x
  2. Step 2: Convert to fraction form
    3,545.62/5,316.40 = 1,079.71/x
  3. Step 3: Cross multiply
    3,545.62x = 5,316.40 × 1,079.71
  4. Step 4: Simplify right side
    3,545.62x = 5,740,170.24
  5. Step 5: Solve for x
    x = 5,740,170.24/3,545.62
  6. Step 6: Final answer
    x = 1,618.95

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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.