Home / 2,042.91-2,819.14-1,158.66

Finding the Fourth Proportional to 2,042.91, 2,819.14 and 1,158.66

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Solution

The fourth proportional to 2,042.91, 2,819.14 and 1,158.66 is: 1,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.91 : 2,819.14 = 1,158.66 : x
  2. Step 2: Convert to fraction form
    2,042.91/2,819.14 = 1,158.66/x
  3. Step 3: Cross multiply
    2,042.91x = 2,819.14 × 1,158.66
  4. Step 4: Simplify right side
    2,042.91x = 3,266,421.86
  5. Step 5: Solve for x
    x = 3,266,421.86/2,042.91
  6. Step 6: Final answer
    x = 1,598.91

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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.