Home / 3,520.64-5,279.87-2,432.00

Finding the Fourth Proportional to 3,520.64, 5,279.87 and 2,432.00

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Solution

The fourth proportional to 3,520.64, 5,279.87 and 2,432.00 is: 3,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.64 : 5,279.87 = 2,432.00 : x
  2. Step 2: Convert to fraction form
    3,520.64/5,279.87 = 2,432.00/x
  3. Step 3: Cross multiply
    3,520.64x = 5,279.87 × 2,432.00
  4. Step 4: Simplify right side
    3,520.64x = 12,840,623.52
  5. Step 5: Solve for x
    x = 12,840,623.52/3,520.64
  6. Step 6: Final answer
    x = 3,647.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.