Home / 2,540.32-3,805.64-1,445.44

Finding the Fourth Proportional to 2,540.32, 3,805.64 and 1,445.44

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Solution

The fourth proportional to 2,540.32, 3,805.64 and 1,445.44 is: 2,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.32 : 3,805.64 = 1,445.44 : x
  2. Step 2: Convert to fraction form
    2,540.32/3,805.64 = 1,445.44/x
  3. Step 3: Cross multiply
    2,540.32x = 3,805.64 × 1,445.44
  4. Step 4: Simplify right side
    2,540.32x = 5,500,824.28
  5. Step 5: Solve for x
    x = 5,500,824.28/2,540.32
  6. Step 6: Final answer
    x = 2,165.41

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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.