Home / 3,962.64-5,468.49-2,390.43

Finding the Fourth Proportional to 3,962.64, 5,468.49 and 2,390.43

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Solution

The fourth proportional to 3,962.64, 5,468.49 and 2,390.43 is: 3,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.64 : 5,468.49 = 2,390.43 : x
  2. Step 2: Convert to fraction form
    3,962.64/5,468.49 = 2,390.43/x
  3. Step 3: Cross multiply
    3,962.64x = 5,468.49 × 2,390.43
  4. Step 4: Simplify right side
    3,962.64x = 13,072,042.55
  5. Step 5: Solve for x
    x = 13,072,042.55/3,962.64
  6. Step 6: Final answer
    x = 3,298.82

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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.