Home / 1,446.12-2,167.56-714.96

Finding the Fourth Proportional to 1,446.12, 2,167.56 and 714.96

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Solution

The fourth proportional to 1,446.12, 2,167.56 and 714.96 is: 1,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.12 : 2,167.56 = 714.96 : x
  2. Step 2: Convert to fraction form
    1,446.12/2,167.56 = 714.96/x
  3. Step 3: Cross multiply
    1,446.12x = 2,167.56 × 714.96
  4. Step 4: Simplify right side
    1,446.12x = 1,549,718.70
  5. Step 5: Solve for x
    x = 1,549,718.70/1,446.12
  6. Step 6: Final answer
    x = 1,071.64

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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.