Home / 3,607.60-5,417.80-2,634.80

Finding the Fourth Proportional to 3,607.60, 5,417.80 and 2,634.80

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Solution

The fourth proportional to 3,607.60, 5,417.80 and 2,634.80 is: 3,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.60 : 5,417.80 = 2,634.80 : x
  2. Step 2: Convert to fraction form
    3,607.60/5,417.80 = 2,634.80/x
  3. Step 3: Cross multiply
    3,607.60x = 5,417.80 × 2,634.80
  4. Step 4: Simplify right side
    3,607.60x = 14,274,819.44
  5. Step 5: Solve for x
    x = 14,274,819.44/3,607.60
  6. Step 6: Final answer
    x = 3,956.87

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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.