Home / 1,246.53-1,869.36-552.73

Finding the Fourth Proportional to 1,246.53, 1,869.36 and 552.73

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Solution

The fourth proportional to 1,246.53, 1,869.36 and 552.73 is: 828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.53 : 1,869.36 = 552.73 : x
  2. Step 2: Convert to fraction form
    1,246.53/1,869.36 = 552.73/x
  3. Step 3: Cross multiply
    1,246.53x = 1,869.36 × 552.73
  4. Step 4: Simplify right side
    1,246.53x = 1,033,251.35
  5. Step 5: Solve for x
    x = 1,033,251.35/1,246.53
  6. Step 6: Final answer
    x = 828.90

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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.