Home / 2,654.91-3,982.37-707.11

Finding the Fourth Proportional to 2,654.91, 3,982.37 and 707.11

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Solution

The fourth proportional to 2,654.91, 3,982.37 and 707.11 is: 1,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.91 : 3,982.37 = 707.11 : x
  2. Step 2: Convert to fraction form
    2,654.91/3,982.37 = 707.11/x
  3. Step 3: Cross multiply
    2,654.91x = 3,982.37 × 707.11
  4. Step 4: Simplify right side
    2,654.91x = 2,815,973.65
  5. Step 5: Solve for x
    x = 2,815,973.65/2,654.91
  6. Step 6: Final answer
    x = 1,060.67

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Similar ratio
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1.5x scale

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.