Home / 1,937.38-2,672.68-1,191.04

Finding the Fourth Proportional to 1,937.38, 2,672.68 and 1,191.04

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Solution

The fourth proportional to 1,937.38, 2,672.68 and 1,191.04 is: 1,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.38 : 2,672.68 = 1,191.04 : x
  2. Step 2: Convert to fraction form
    1,937.38/2,672.68 = 1,191.04/x
  3. Step 3: Cross multiply
    1,937.38x = 2,672.68 × 1,191.04
  4. Step 4: Simplify right side
    1,937.38x = 3,183,268.79
  5. Step 5: Solve for x
    x = 3,183,268.79/1,937.38
  6. Step 6: Final answer
    x = 1,643.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.