Home / 3,671.28-5,064.12-2,621.52

Finding the Fourth Proportional to 3,671.28, 5,064.12 and 2,621.52

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Solution

The fourth proportional to 3,671.28, 5,064.12 and 2,621.52 is: 3,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.28 : 5,064.12 = 2,621.52 : x
  2. Step 2: Convert to fraction form
    3,671.28/5,064.12 = 2,621.52/x
  3. Step 3: Cross multiply
    3,671.28x = 5,064.12 × 2,621.52
  4. Step 4: Simplify right side
    3,671.28x = 13,275,691.86
  5. Step 5: Solve for x
    x = 13,275,691.86/3,671.28
  6. Step 6: Final answer
    x = 3,616.09

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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.