Home / 2,545.62-3,815.28-1,446.65

Finding the Fourth Proportional to 2,545.62, 3,815.28 and 1,446.65

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Solution

The fourth proportional to 2,545.62, 3,815.28 and 1,446.65 is: 2,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.62 : 3,815.28 = 1,446.65 : x
  2. Step 2: Convert to fraction form
    2,545.62/3,815.28 = 1,446.65/x
  3. Step 3: Cross multiply
    2,545.62x = 3,815.28 × 1,446.65
  4. Step 4: Simplify right side
    2,545.62x = 5,519,374.81
  5. Step 5: Solve for x
    x = 5,519,374.81/2,545.62
  6. Step 6: Final answer
    x = 2,168.18

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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.