Home / 1,964.52-2,947.68-1,233.90

Finding the Fourth Proportional to 1,964.52, 2,947.68 and 1,233.90

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Solution

The fourth proportional to 1,964.52, 2,947.68 and 1,233.90 is: 1,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.52 : 2,947.68 = 1,233.90 : x
  2. Step 2: Convert to fraction form
    1,964.52/2,947.68 = 1,233.90/x
  3. Step 3: Cross multiply
    1,964.52x = 2,947.68 × 1,233.90
  4. Step 4: Simplify right side
    1,964.52x = 3,637,142.35
  5. Step 5: Solve for x
    x = 3,637,142.35/1,964.52
  6. Step 6: Final answer
    x = 1,851.42

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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.