Home / 3,232.72-4,422.76-3,218.90

Finding the Fourth Proportional to 3,232.72, 4,422.76 and 3,218.90

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Solution

The fourth proportional to 3,232.72, 4,422.76 and 3,218.90 is: 4,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.72 : 4,422.76 = 3,218.90 : x
  2. Step 2: Convert to fraction form
    3,232.72/4,422.76 = 3,218.90/x
  3. Step 3: Cross multiply
    3,232.72x = 4,422.76 × 3,218.90
  4. Step 4: Simplify right side
    3,232.72x = 14,236,422.16
  5. Step 5: Solve for x
    x = 14,236,422.16/3,232.72
  6. Step 6: Final answer
    x = 4,403.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.