Home / 3,719.88-5,132.66-2,148.52

Finding the Fourth Proportional to 3,719.88, 5,132.66 and 2,148.52

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Solution

The fourth proportional to 3,719.88, 5,132.66 and 2,148.52 is: 2,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.88 : 5,132.66 = 2,148.52 : x
  2. Step 2: Convert to fraction form
    3,719.88/5,132.66 = 2,148.52/x
  3. Step 3: Cross multiply
    3,719.88x = 5,132.66 × 2,148.52
  4. Step 4: Simplify right side
    3,719.88x = 11,027,622.66
  5. Step 5: Solve for x
    x = 11,027,622.66/3,719.88
  6. Step 6: Final answer
    x = 2,964.51

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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.