Home / 1,446.30-2,167.29-714.87

Finding the Fourth Proportional to 1,446.30, 2,167.29 and 714.87

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Solution

The fourth proportional to 1,446.30, 2,167.29 and 714.87 is: 1,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.30 : 2,167.29 = 714.87 : x
  2. Step 2: Convert to fraction form
    1,446.30/2,167.29 = 714.87/x
  3. Step 3: Cross multiply
    1,446.30x = 2,167.29 × 714.87
  4. Step 4: Simplify right side
    1,446.30x = 1,549,330.60
  5. Step 5: Solve for x
    x = 1,549,330.60/1,446.30
  6. Step 6: Final answer
    x = 1,071.24

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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.