Home / 3,384.46-5,077.03-1,306.20

Finding the Fourth Proportional to 3,384.46, 5,077.03 and 1,306.20

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Solution

The fourth proportional to 3,384.46, 5,077.03 and 1,306.20 is: 1,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.46 : 5,077.03 = 1,306.20 : x
  2. Step 2: Convert to fraction form
    3,384.46/5,077.03 = 1,306.20/x
  3. Step 3: Cross multiply
    3,384.46x = 5,077.03 × 1,306.20
  4. Step 4: Simplify right side
    3,384.46x = 6,631,616.59
  5. Step 5: Solve for x
    x = 6,631,616.59/3,384.46
  6. Step 6: Final answer
    x = 1,959.43

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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.