Home / 1,949.41-2,924.15-488.57

Finding the Fourth Proportional to 1,949.41, 2,924.15 and 488.57

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Solution

The fourth proportional to 1,949.41, 2,924.15 and 488.57 is: 732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.41 : 2,924.15 = 488.57 : x
  2. Step 2: Convert to fraction form
    1,949.41/2,924.15 = 488.57/x
  3. Step 3: Cross multiply
    1,949.41x = 2,924.15 × 488.57
  4. Step 4: Simplify right side
    1,949.41x = 1,428,634.90
  5. Step 5: Solve for x
    x = 1,428,634.90/1,949.41
  6. Step 6: Final answer
    x = 732.85

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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.