Home / 2,912.57-4,369.66-966.14

Finding the Fourth Proportional to 2,912.57, 4,369.66 and 966.14

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Solution

The fourth proportional to 2,912.57, 4,369.66 and 966.14 is: 1,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.57 : 4,369.66 = 966.14 : x
  2. Step 2: Convert to fraction form
    2,912.57/4,369.66 = 966.14/x
  3. Step 3: Cross multiply
    2,912.57x = 4,369.66 × 966.14
  4. Step 4: Simplify right side
    2,912.57x = 4,221,703.31
  5. Step 5: Solve for x
    x = 4,221,703.31/2,912.57
  6. Step 6: Final answer
    x = 1,449.48

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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.