Home / 1,250.18-1,863.94-1,217.73

Finding the Fourth Proportional to 1,250.18, 1,863.94 and 1,217.73

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Solution

The fourth proportional to 1,250.18, 1,863.94 and 1,217.73 is: 1,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.18 : 1,863.94 = 1,217.73 : x
  2. Step 2: Convert to fraction form
    1,250.18/1,863.94 = 1,217.73/x
  3. Step 3: Cross multiply
    1,250.18x = 1,863.94 × 1,217.73
  4. Step 4: Simplify right side
    1,250.18x = 2,269,762.73
  5. Step 5: Solve for x
    x = 2,269,762.73/1,250.18
  6. Step 6: Final answer
    x = 1,815.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.