Home / 1,103.50-1,652.82-1,008.73

Finding the Fourth Proportional to 1,103.50, 1,652.82 and 1,008.73

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Solution

The fourth proportional to 1,103.50, 1,652.82 and 1,008.73 is: 1,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.50 : 1,652.82 = 1,008.73 : x
  2. Step 2: Convert to fraction form
    1,103.50/1,652.82 = 1,008.73/x
  3. Step 3: Cross multiply
    1,103.50x = 1,652.82 × 1,008.73
  4. Step 4: Simplify right side
    1,103.50x = 1,667,249.12
  5. Step 5: Solve for x
    x = 1,667,249.12/1,103.50
  6. Step 6: Final answer
    x = 1,510.87

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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.