Home / 3,739.40-5,159.72-2,247.65

Finding the Fourth Proportional to 3,739.40, 5,159.72 and 2,247.65

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Solution

The fourth proportional to 3,739.40, 5,159.72 and 2,247.65 is: 3,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.40 : 5,159.72 = 2,247.65 : x
  2. Step 2: Convert to fraction form
    3,739.40/5,159.72 = 2,247.65/x
  3. Step 3: Cross multiply
    3,739.40x = 5,159.72 × 2,247.65
  4. Step 4: Simplify right side
    3,739.40x = 11,597,207.62
  5. Step 5: Solve for x
    x = 11,597,207.62/3,739.40
  6. Step 6: Final answer
    x = 3,101.36

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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.