Home / 3,643.13-5,030.39-2,932.72

Finding the Fourth Proportional to 3,643.13, 5,030.39 and 2,932.72

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Solution

The fourth proportional to 3,643.13, 5,030.39 and 2,932.72 is: 4,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.13 : 5,030.39 = 2,932.72 : x
  2. Step 2: Convert to fraction form
    3,643.13/5,030.39 = 2,932.72/x
  3. Step 3: Cross multiply
    3,643.13x = 5,030.39 × 2,932.72
  4. Step 4: Simplify right side
    3,643.13x = 14,752,720.12
  5. Step 5: Solve for x
    x = 14,752,720.12/3,643.13
  6. Step 6: Final answer
    x = 4,049.46

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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.