Home / 1,515.88-2,273.82-966.70

Finding the Fourth Proportional to 1,515.88, 2,273.82 and 966.70

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Solution

The fourth proportional to 1,515.88, 2,273.82 and 966.70 is: 1,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.88 : 2,273.82 = 966.70 : x
  2. Step 2: Convert to fraction form
    1,515.88/2,273.82 = 966.70/x
  3. Step 3: Cross multiply
    1,515.88x = 2,273.82 × 966.70
  4. Step 4: Simplify right side
    1,515.88x = 2,198,101.79
  5. Step 5: Solve for x
    x = 2,198,101.79/1,515.88
  6. Step 6: Final answer
    x = 1,450.05

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1.5x scale

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.