Home / 2,719.11-3,752.52-1,540.41

Finding the Fourth Proportional to 2,719.11, 3,752.52 and 1,540.41

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Solution

The fourth proportional to 2,719.11, 3,752.52 and 1,540.41 is: 2,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.11 : 3,752.52 = 1,540.41 : x
  2. Step 2: Convert to fraction form
    2,719.11/3,752.52 = 1,540.41/x
  3. Step 3: Cross multiply
    2,719.11x = 3,752.52 × 1,540.41
  4. Step 4: Simplify right side
    2,719.11x = 5,780,419.33
  5. Step 5: Solve for x
    x = 5,780,419.33/2,719.11
  6. Step 6: Final answer
    x = 2,125.85

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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.