Home / 3,305.76-4,562.18-2,126.61

Finding the Fourth Proportional to 3,305.76, 4,562.18 and 2,126.61

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Solution

The fourth proportional to 3,305.76, 4,562.18 and 2,126.61 is: 2,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.76 : 4,562.18 = 2,126.61 : x
  2. Step 2: Convert to fraction form
    3,305.76/4,562.18 = 2,126.61/x
  3. Step 3: Cross multiply
    3,305.76x = 4,562.18 × 2,126.61
  4. Step 4: Simplify right side
    3,305.76x = 9,701,966.98
  5. Step 5: Solve for x
    x = 9,701,966.98/3,305.76
  6. Step 6: Final answer
    x = 2,934.87

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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.