Home / 1,446.08-2,168.76-579.92

Finding the Fourth Proportional to 1,446.08, 2,168.76 and 579.92

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Solution

The fourth proportional to 1,446.08, 2,168.76 and 579.92 is: 869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.08 : 2,168.76 = 579.92 : x
  2. Step 2: Convert to fraction form
    1,446.08/2,168.76 = 579.92/x
  3. Step 3: Cross multiply
    1,446.08x = 2,168.76 × 579.92
  4. Step 4: Simplify right side
    1,446.08x = 1,257,707.30
  5. Step 5: Solve for x
    x = 1,257,707.30/1,446.08
  6. Step 6: Final answer
    x = 869.74

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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.