Home / 2,556.38-3,834.16-707.15

Finding the Fourth Proportional to 2,556.38, 3,834.16 and 707.15

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Solution

The fourth proportional to 2,556.38, 3,834.16 and 707.15 is: 1,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.38 : 3,834.16 = 707.15 : x
  2. Step 2: Convert to fraction form
    2,556.38/3,834.16 = 707.15/x
  3. Step 3: Cross multiply
    2,556.38x = 3,834.16 × 707.15
  4. Step 4: Simplify right side
    2,556.38x = 2,711,326.24
  5. Step 5: Solve for x
    x = 2,711,326.24/2,556.38
  6. Step 6: Final answer
    x = 1,060.61

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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.