Home / 3,719.92-5,133.12-2,148.52

Finding the Fourth Proportional to 3,719.92, 5,133.12 and 2,148.52

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Solution

The fourth proportional to 3,719.92, 5,133.12 and 2,148.52 is: 2,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.92 : 5,133.12 = 2,148.52 : x
  2. Step 2: Convert to fraction form
    3,719.92/5,133.12 = 2,148.52/x
  3. Step 3: Cross multiply
    3,719.92x = 5,133.12 × 2,148.52
  4. Step 4: Simplify right side
    3,719.92x = 11,028,610.98
  5. Step 5: Solve for x
    x = 11,028,610.98/3,719.92
  6. Step 6: Final answer
    x = 2,964.74

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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.