Home / 1,951.43-2,927.15-490.53

Finding the Fourth Proportional to 1,951.43, 2,927.15 and 490.53

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Solution

The fourth proportional to 1,951.43, 2,927.15 and 490.53 is: 735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.43 : 2,927.15 = 490.53 : x
  2. Step 2: Convert to fraction form
    1,951.43/2,927.15 = 490.53/x
  3. Step 3: Cross multiply
    1,951.43x = 2,927.15 × 490.53
  4. Step 4: Simplify right side
    1,951.43x = 1,435,856.12
  5. Step 5: Solve for x
    x = 1,435,856.12/1,951.43
  6. Step 6: Final answer
    x = 735.80

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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.