Home / 3,427.60-5,136.54-2,560.90

Finding the Fourth Proportional to 3,427.60, 5,136.54 and 2,560.90

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Solution

The fourth proportional to 3,427.60, 5,136.54 and 2,560.90 is: 3,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.60 : 5,136.54 = 2,560.90 : x
  2. Step 2: Convert to fraction form
    3,427.60/5,136.54 = 2,560.90/x
  3. Step 3: Cross multiply
    3,427.60x = 5,136.54 × 2,560.90
  4. Step 4: Simplify right side
    3,427.60x = 13,154,165.29
  5. Step 5: Solve for x
    x = 13,154,165.29/3,427.60
  6. Step 6: Final answer
    x = 3,837.72

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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.