Home / 3,207.52-4,426.50-2,647.72

Finding the Fourth Proportional to 3,207.52, 4,426.50 and 2,647.72

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Solution

The fourth proportional to 3,207.52, 4,426.50 and 2,647.72 is: 3,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.52 : 4,426.50 = 2,647.72 : x
  2. Step 2: Convert to fraction form
    3,207.52/4,426.50 = 2,647.72/x
  3. Step 3: Cross multiply
    3,207.52x = 4,426.50 × 2,647.72
  4. Step 4: Simplify right side
    3,207.52x = 11,720,132.58
  5. Step 5: Solve for x
    x = 11,720,132.58/3,207.52
  6. Step 6: Final answer
    x = 3,653.95

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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.