Home / 3,522.60-5,279.04-2,655.96

Finding the Fourth Proportional to 3,522.60, 5,279.04 and 2,655.96

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Solution

The fourth proportional to 3,522.60, 5,279.04 and 2,655.96 is: 3,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.60 : 5,279.04 = 2,655.96 : x
  2. Step 2: Convert to fraction form
    3,522.60/5,279.04 = 2,655.96/x
  3. Step 3: Cross multiply
    3,522.60x = 5,279.04 × 2,655.96
  4. Step 4: Simplify right side
    3,522.60x = 14,020,919.08
  5. Step 5: Solve for x
    x = 14,020,919.08/3,522.60
  6. Step 6: Final answer
    x = 3,980.28

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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.