Home / 3,192.62-4,781.96-1,545.68

Finding the Fourth Proportional to 3,192.62, 4,781.96 and 1,545.68

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Solution

The fourth proportional to 3,192.62, 4,781.96 and 1,545.68 is: 2,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.62 : 4,781.96 = 1,545.68 : x
  2. Step 2: Convert to fraction form
    3,192.62/4,781.96 = 1,545.68/x
  3. Step 3: Cross multiply
    3,192.62x = 4,781.96 × 1,545.68
  4. Step 4: Simplify right side
    3,192.62x = 7,391,379.93
  5. Step 5: Solve for x
    x = 7,391,379.93/3,192.62
  6. Step 6: Final answer
    x = 2,315.15

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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.