Home / 2,581.90-3,562.98-1,402.99

Finding the Fourth Proportional to 2,581.90, 3,562.98 and 1,402.99

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Solution

The fourth proportional to 2,581.90, 3,562.98 and 1,402.99 is: 1,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.90 : 3,562.98 = 1,402.99 : x
  2. Step 2: Convert to fraction form
    2,581.90/3,562.98 = 1,402.99/x
  3. Step 3: Cross multiply
    2,581.90x = 3,562.98 × 1,402.99
  4. Step 4: Simplify right side
    2,581.90x = 4,998,825.31
  5. Step 5: Solve for x
    x = 4,998,825.31/2,581.90
  6. Step 6: Final answer
    x = 1,936.10

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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.