Home / 1,234.47-1,841.30-1,049.79

Finding the Fourth Proportional to 1,234.47, 1,841.30 and 1,049.79

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Solution

The fourth proportional to 1,234.47, 1,841.30 and 1,049.79 is: 1,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.47 : 1,841.30 = 1,049.79 : x
  2. Step 2: Convert to fraction form
    1,234.47/1,841.30 = 1,049.79/x
  3. Step 3: Cross multiply
    1,234.47x = 1,841.30 × 1,049.79
  4. Step 4: Simplify right side
    1,234.47x = 1,932,983.92
  5. Step 5: Solve for x
    x = 1,932,983.92/1,234.47
  6. Step 6: Final answer
    x = 1,565.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.