Home / 3,575.60-5,363.40-2,409.20

Finding the Fourth Proportional to 3,575.60, 5,363.40 and 2,409.20

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Solution

The fourth proportional to 3,575.60, 5,363.40 and 2,409.20 is: 3,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.60 : 5,363.40 = 2,409.20 : x
  2. Step 2: Convert to fraction form
    3,575.60/5,363.40 = 2,409.20/x
  3. Step 3: Cross multiply
    3,575.60x = 5,363.40 × 2,409.20
  4. Step 4: Simplify right side
    3,575.60x = 12,921,503.28
  5. Step 5: Solve for x
    x = 12,921,503.28/3,575.60
  6. Step 6: Final answer
    x = 3,613.80

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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.