Home / 3,943.44-5,440.20-2,764.08

Finding the Fourth Proportional to 3,943.44, 5,440.20 and 2,764.08

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Solution

The fourth proportional to 3,943.44, 5,440.20 and 2,764.08 is: 3,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.44 : 5,440.20 = 2,764.08 : x
  2. Step 2: Convert to fraction form
    3,943.44/5,440.20 = 2,764.08/x
  3. Step 3: Cross multiply
    3,943.44x = 5,440.20 × 2,764.08
  4. Step 4: Simplify right side
    3,943.44x = 15,037,148.02
  5. Step 5: Solve for x
    x = 15,037,148.02/3,943.44
  6. Step 6: Final answer
    x = 3,813.21

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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.