Home / 1,479.38-2,042.26-1,147.04

Finding the Fourth Proportional to 1,479.38, 2,042.26 and 1,147.04

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Solution

The fourth proportional to 1,479.38, 2,042.26 and 1,147.04 is: 1,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.38 : 2,042.26 = 1,147.04 : x
  2. Step 2: Convert to fraction form
    1,479.38/2,042.26 = 1,147.04/x
  3. Step 3: Cross multiply
    1,479.38x = 2,042.26 × 1,147.04
  4. Step 4: Simplify right side
    1,479.38x = 2,342,553.91
  5. Step 5: Solve for x
    x = 2,342,553.91/1,479.38
  6. Step 6: Final answer
    x = 1,583.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.