Home / 3,844.39-5,767.40-1,247.13

Finding the Fourth Proportional to 3,844.39, 5,767.40 and 1,247.13

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Solution

The fourth proportional to 3,844.39, 5,767.40 and 1,247.13 is: 1,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.39 : 5,767.40 = 1,247.13 : x
  2. Step 2: Convert to fraction form
    3,844.39/5,767.40 = 1,247.13/x
  3. Step 3: Cross multiply
    3,844.39x = 5,767.40 × 1,247.13
  4. Step 4: Simplify right side
    3,844.39x = 7,192,697.56
  5. Step 5: Solve for x
    x = 7,192,697.56/3,844.39
  6. Step 6: Final answer
    x = 1,870.96

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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.