Home / 3,719.10-5,132.28-2,040.51

Finding the Fourth Proportional to 3,719.10, 5,132.28 and 2,040.51

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Solution

The fourth proportional to 3,719.10, 5,132.28 and 2,040.51 is: 2,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.10 : 5,132.28 = 2,040.51 : x
  2. Step 2: Convert to fraction form
    3,719.10/5,132.28 = 2,040.51/x
  3. Step 3: Cross multiply
    3,719.10x = 5,132.28 × 2,040.51
  4. Step 4: Simplify right side
    3,719.10x = 10,472,468.66
  5. Step 5: Solve for x
    x = 10,472,468.66/3,719.10
  6. Step 6: Final answer
    x = 2,815.86

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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.