Home / 2,789.38-4,184.06-841.52

Finding the Fourth Proportional to 2,789.38, 4,184.06 and 841.52

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Solution

The fourth proportional to 2,789.38, 4,184.06 and 841.52 is: 1,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.38 : 4,184.06 = 841.52 : x
  2. Step 2: Convert to fraction form
    2,789.38/4,184.06 = 841.52/x
  3. Step 3: Cross multiply
    2,789.38x = 4,184.06 × 841.52
  4. Step 4: Simplify right side
    2,789.38x = 3,520,970.17
  5. Step 5: Solve for x
    x = 3,520,970.17/2,789.38
  6. Step 6: Final answer
    x = 1,262.28

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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.