Home / 2,731.64-3,764.41-1,845.90

Finding the Fourth Proportional to 2,731.64, 3,764.41 and 1,845.90

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Solution

The fourth proportional to 2,731.64, 3,764.41 and 1,845.90 is: 2,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.64 : 3,764.41 = 1,845.90 : x
  2. Step 2: Convert to fraction form
    2,731.64/3,764.41 = 1,845.90/x
  3. Step 3: Cross multiply
    2,731.64x = 3,764.41 × 1,845.90
  4. Step 4: Simplify right side
    2,731.64x = 6,948,719.80
  5. Step 5: Solve for x
    x = 6,948,719.80/2,731.64
  6. Step 6: Final answer
    x = 2,543.80

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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.