Home / 1,247.16-1,869.30-1,016.49

Finding the Fourth Proportional to 1,247.16, 1,869.30 and 1,016.49

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Solution

The fourth proportional to 1,247.16, 1,869.30 and 1,016.49 is: 1,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.16 : 1,869.30 = 1,016.49 : x
  2. Step 2: Convert to fraction form
    1,247.16/1,869.30 = 1,016.49/x
  3. Step 3: Cross multiply
    1,247.16x = 1,869.30 × 1,016.49
  4. Step 4: Simplify right side
    1,247.16x = 1,900,124.76
  5. Step 5: Solve for x
    x = 1,900,124.76/1,247.16
  6. Step 6: Final answer
    x = 1,523.56

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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.