Home / 2,244.78-3,098.88-1,540.44

Finding the Fourth Proportional to 2,244.78, 3,098.88 and 1,540.44

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Solution

The fourth proportional to 2,244.78, 3,098.88 and 1,540.44 is: 2,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.78 : 3,098.88 = 1,540.44 : x
  2. Step 2: Convert to fraction form
    2,244.78/3,098.88 = 1,540.44/x
  3. Step 3: Cross multiply
    2,244.78x = 3,098.88 × 1,540.44
  4. Step 4: Simplify right side
    2,244.78x = 4,773,638.71
  5. Step 5: Solve for x
    x = 4,773,638.71/2,244.78
  6. Step 6: Final answer
    x = 2,126.55

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1.5x scale

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.