Home / 1,446.20-2,168.02-579.92

Finding the Fourth Proportional to 1,446.20, 2,168.02 and 579.92

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Solution

The fourth proportional to 1,446.20, 2,168.02 and 579.92 is: 869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.20 : 2,168.02 = 579.92 : x
  2. Step 2: Convert to fraction form
    1,446.20/2,168.02 = 579.92/x
  3. Step 3: Cross multiply
    1,446.20x = 2,168.02 × 579.92
  4. Step 4: Simplify right side
    1,446.20x = 1,257,278.16
  5. Step 5: Solve for x
    x = 1,257,278.16/1,446.20
  6. Step 6: Final answer
    x = 869.37

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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.