Home / 3,719.13-5,132.19-2,040.50

Finding the Fourth Proportional to 3,719.13, 5,132.19 and 2,040.50

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Solution

The fourth proportional to 3,719.13, 5,132.19 and 2,040.50 is: 2,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.13 : 5,132.19 = 2,040.50 : x
  2. Step 2: Convert to fraction form
    3,719.13/5,132.19 = 2,040.50/x
  3. Step 3: Cross multiply
    3,719.13x = 5,132.19 × 2,040.50
  4. Step 4: Simplify right side
    3,719.13x = 10,472,254.18
  5. Step 5: Solve for x
    x = 10,472,254.18/3,719.13
  6. Step 6: Final answer
    x = 2,815.78

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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.