Home / 3,679.27-5,077.38-2,000.65

Finding the Fourth Proportional to 3,679.27, 5,077.38 and 2,000.65

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Solution

The fourth proportional to 3,679.27, 5,077.38 and 2,000.65 is: 2,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.27 : 5,077.38 = 2,000.65 : x
  2. Step 2: Convert to fraction form
    3,679.27/5,077.38 = 2,000.65/x
  3. Step 3: Cross multiply
    3,679.27x = 5,077.38 × 2,000.65
  4. Step 4: Simplify right side
    3,679.27x = 10,158,064.63
  5. Step 5: Solve for x
    x = 10,158,064.63/3,679.27
  6. Step 6: Final answer
    x = 2,760.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.