Home / 2,581.90-3,562.97-1,403

Finding the Fourth Proportional to 2,581.90, 3,562.97 and 1,403

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Solution

The fourth proportional to 2,581.90, 3,562.97 and 1,403 is: 1,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.90 : 3,562.97 = 1,403 : x
  2. Step 2: Convert to fraction form
    2,581.90/3,562.97 = 1,403/x
  3. Step 3: Cross multiply
    2,581.90x = 3,562.97 × 1,403
  4. Step 4: Simplify right side
    2,581.90x = 4,998,846.91
  5. Step 5: Solve for x
    x = 4,998,846.91/2,581.90
  6. Step 6: Final answer
    x = 1,936.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.