Home / 2,965.14-4,445.13-1,115.75

Finding the Fourth Proportional to 2,965.14, 4,445.13 and 1,115.75

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Solution

The fourth proportional to 2,965.14, 4,445.13 and 1,115.75 is: 1,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.14 : 4,445.13 = 1,115.75 : x
  2. Step 2: Convert to fraction form
    2,965.14/4,445.13 = 1,115.75/x
  3. Step 3: Cross multiply
    2,965.14x = 4,445.13 × 1,115.75
  4. Step 4: Simplify right side
    2,965.14x = 4,959,653.80
  5. Step 5: Solve for x
    x = 4,959,653.80/2,965.14
  6. Step 6: Final answer
    x = 1,672.65

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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.