Home / 2,545.20-3,814.62-1,375.16

Finding the Fourth Proportional to 2,545.20, 3,814.62 and 1,375.16

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Solution

The fourth proportional to 2,545.20, 3,814.62 and 1,375.16 is: 2,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.20 : 3,814.62 = 1,375.16 : x
  2. Step 2: Convert to fraction form
    2,545.20/3,814.62 = 1,375.16/x
  3. Step 3: Cross multiply
    2,545.20x = 3,814.62 × 1,375.16
  4. Step 4: Simplify right side
    2,545.20x = 5,245,693.77
  5. Step 5: Solve for x
    x = 5,245,693.77/2,545.20
  6. Step 6: Final answer
    x = 2,061.01

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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.