Home / 3,867.49-5,339.91-2,377.41

Finding the Fourth Proportional to 3,867.49, 5,339.91 and 2,377.41

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Solution

The fourth proportional to 3,867.49, 5,339.91 and 2,377.41 is: 3,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.49 : 5,339.91 = 2,377.41 : x
  2. Step 2: Convert to fraction form
    3,867.49/5,339.91 = 2,377.41/x
  3. Step 3: Cross multiply
    3,867.49x = 5,339.91 × 2,377.41
  4. Step 4: Simplify right side
    3,867.49x = 12,695,155.43
  5. Step 5: Solve for x
    x = 12,695,155.43/3,867.49
  6. Step 6: Final answer
    x = 3,282.53

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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.