Home / 3,718.88-5,132.12-2,040.37

Finding the Fourth Proportional to 3,718.88, 5,132.12 and 2,040.37

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Solution

The fourth proportional to 3,718.88, 5,132.12 and 2,040.37 is: 2,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.88 : 5,132.12 = 2,040.37 : x
  2. Step 2: Convert to fraction form
    3,718.88/5,132.12 = 2,040.37/x
  3. Step 3: Cross multiply
    3,718.88x = 5,132.12 × 2,040.37
  4. Step 4: Simplify right side
    3,718.88x = 10,471,387.82
  5. Step 5: Solve for x
    x = 10,471,387.82/3,718.88
  6. Step 6: Final answer
    x = 2,815.74

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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.