Home / 2,377.12-3,279.86-1,432.66

Finding the Fourth Proportional to 2,377.12, 3,279.86 and 1,432.66

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Solution

The fourth proportional to 2,377.12, 3,279.86 and 1,432.66 is: 1,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.12 : 3,279.86 = 1,432.66 : x
  2. Step 2: Convert to fraction form
    2,377.12/3,279.86 = 1,432.66/x
  3. Step 3: Cross multiply
    2,377.12x = 3,279.86 × 1,432.66
  4. Step 4: Simplify right side
    2,377.12x = 4,698,924.23
  5. Step 5: Solve for x
    x = 4,698,924.23/2,377.12
  6. Step 6: Final answer
    x = 1,976.73

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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.