Home / 2,513.65-3,766.32-1,781.92

Finding the Fourth Proportional to 2,513.65, 3,766.32 and 1,781.92

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Solution

The fourth proportional to 2,513.65, 3,766.32 and 1,781.92 is: 2,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.65 : 3,766.32 = 1,781.92 : x
  2. Step 2: Convert to fraction form
    2,513.65/3,766.32 = 1,781.92/x
  3. Step 3: Cross multiply
    2,513.65x = 3,766.32 × 1,781.92
  4. Step 4: Simplify right side
    2,513.65x = 6,711,280.93
  5. Step 5: Solve for x
    x = 6,711,280.93/2,513.65
  6. Step 6: Final answer
    x = 2,669.93

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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.