Home / 2,581.02-3,874.05-1,349.42

Finding the Fourth Proportional to 2,581.02, 3,874.05 and 1,349.42

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Solution

The fourth proportional to 2,581.02, 3,874.05 and 1,349.42 is: 2,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.02 : 3,874.05 = 1,349.42 : x
  2. Step 2: Convert to fraction form
    2,581.02/3,874.05 = 1,349.42/x
  3. Step 3: Cross multiply
    2,581.02x = 3,874.05 × 1,349.42
  4. Step 4: Simplify right side
    2,581.02x = 5,227,701.18
  5. Step 5: Solve for x
    x = 5,227,701.18/2,581.02
  6. Step 6: Final answer
    x = 2,025.44

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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.