Home / 1,932.62-2,893.78-1,317.53

Finding the Fourth Proportional to 1,932.62, 2,893.78 and 1,317.53

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Solution

The fourth proportional to 1,932.62, 2,893.78 and 1,317.53 is: 1,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.62 : 2,893.78 = 1,317.53 : x
  2. Step 2: Convert to fraction form
    1,932.62/2,893.78 = 1,317.53/x
  3. Step 3: Cross multiply
    1,932.62x = 2,893.78 × 1,317.53
  4. Step 4: Simplify right side
    1,932.62x = 3,812,641.96
  5. Step 5: Solve for x
    x = 3,812,641.96/1,932.62
  6. Step 6: Final answer
    x = 1,972.78

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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.