Home / 2,244.81-3,100.65-1,891.90

Finding the Fourth Proportional to 2,244.81, 3,100.65 and 1,891.90

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Solution

The fourth proportional to 2,244.81, 3,100.65 and 1,891.90 is: 2,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.81 : 3,100.65 = 1,891.90 : x
  2. Step 2: Convert to fraction form
    2,244.81/3,100.65 = 1,891.90/x
  3. Step 3: Cross multiply
    2,244.81x = 3,100.65 × 1,891.90
  4. Step 4: Simplify right side
    2,244.81x = 5,866,115.78
  5. Step 5: Solve for x
    x = 5,866,115.78/2,244.81
  6. Step 6: Final answer
    x = 2,613.20

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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.