Home / 1,233.20-1,701.82-673.66

Finding the Fourth Proportional to 1,233.20, 1,701.82 and 673.66

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Solution

The fourth proportional to 1,233.20, 1,701.82 and 673.66 is: 929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.20 : 1,701.82 = 673.66 : x
  2. Step 2: Convert to fraction form
    1,233.20/1,701.82 = 673.66/x
  3. Step 3: Cross multiply
    1,233.20x = 1,701.82 × 673.66
  4. Step 4: Simplify right side
    1,233.20x = 1,146,448.06
  5. Step 5: Solve for x
    x = 1,146,448.06/1,233.20
  6. Step 6: Final answer
    x = 929.65

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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.