Home / 3,720.32-5,132.27-2,227.95

Finding the Fourth Proportional to 3,720.32, 5,132.27 and 2,227.95

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Solution

The fourth proportional to 3,720.32, 5,132.27 and 2,227.95 is: 3,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.32 : 5,132.27 = 2,227.95 : x
  2. Step 2: Convert to fraction form
    3,720.32/5,132.27 = 2,227.95/x
  3. Step 3: Cross multiply
    3,720.32x = 5,132.27 × 2,227.95
  4. Step 4: Simplify right side
    3,720.32x = 11,434,429.81
  5. Step 5: Solve for x
    x = 11,434,429.81/3,720.32
  6. Step 6: Final answer
    x = 3,073.51

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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.