Home / 3,889.85-5,367.03-2,377.02

Finding the Fourth Proportional to 3,889.85, 5,367.03 and 2,377.02

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Solution

The fourth proportional to 3,889.85, 5,367.03 and 2,377.02 is: 3,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.85 : 5,367.03 = 2,377.02 : x
  2. Step 2: Convert to fraction form
    3,889.85/5,367.03 = 2,377.02/x
  3. Step 3: Cross multiply
    3,889.85x = 5,367.03 × 2,377.02
  4. Step 4: Simplify right side
    3,889.85x = 12,757,537.65
  5. Step 5: Solve for x
    x = 12,757,537.65/3,889.85
  6. Step 6: Final answer
    x = 3,279.70

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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.