Home / 3,356.38-4,631.86-1,864.43

Finding the Fourth Proportional to 3,356.38, 4,631.86 and 1,864.43

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Solution

The fourth proportional to 3,356.38, 4,631.86 and 1,864.43 is: 2,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.38 : 4,631.86 = 1,864.43 : x
  2. Step 2: Convert to fraction form
    3,356.38/4,631.86 = 1,864.43/x
  3. Step 3: Cross multiply
    3,356.38x = 4,631.86 × 1,864.43
  4. Step 4: Simplify right side
    3,356.38x = 8,635,778.74
  5. Step 5: Solve for x
    x = 8,635,778.74/3,356.38
  6. Step 6: Final answer
    x = 2,572.95

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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.