Home / 3,427.65-4,729.79-2,531.86

Finding the Fourth Proportional to 3,427.65, 4,729.79 and 2,531.86

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Solution

The fourth proportional to 3,427.65, 4,729.79 and 2,531.86 is: 3,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.65 : 4,729.79 = 2,531.86 : x
  2. Step 2: Convert to fraction form
    3,427.65/4,729.79 = 2,531.86/x
  3. Step 3: Cross multiply
    3,427.65x = 4,729.79 × 2,531.86
  4. Step 4: Simplify right side
    3,427.65x = 11,975,160.61
  5. Step 5: Solve for x
    x = 11,975,160.61/3,427.65
  6. Step 6: Final answer
    x = 3,493.69

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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.