Home / 3,184.14-4,393.92-1,767.90

Finding the Fourth Proportional to 3,184.14, 4,393.92 and 1,767.90

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Solution

The fourth proportional to 3,184.14, 4,393.92 and 1,767.90 is: 2,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.14 : 4,393.92 = 1,767.90 : x
  2. Step 2: Convert to fraction form
    3,184.14/4,393.92 = 1,767.90/x
  3. Step 3: Cross multiply
    3,184.14x = 4,393.92 × 1,767.90
  4. Step 4: Simplify right side
    3,184.14x = 7,768,011.17
  5. Step 5: Solve for x
    x = 7,768,011.17/3,184.14
  6. Step 6: Final answer
    x = 2,439.59

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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.