Home / 2,581.20-3,562.00-1,402.25

Finding the Fourth Proportional to 2,581.20, 3,562.00 and 1,402.25

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Solution

The fourth proportional to 2,581.20, 3,562.00 and 1,402.25 is: 1,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.20 : 3,562.00 = 1,402.25 : x
  2. Step 2: Convert to fraction form
    2,581.20/3,562.00 = 1,402.25/x
  3. Step 3: Cross multiply
    2,581.20x = 3,562.00 × 1,402.25
  4. Step 4: Simplify right side
    2,581.20x = 4,994,793.18
  5. Step 5: Solve for x
    x = 4,994,793.18/2,581.20
  6. Step 6: Final answer
    x = 1,935.07

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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.