Home / 2,729.10-4,090.85-1,062.78

Finding the Fourth Proportional to 2,729.10, 4,090.85 and 1,062.78

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Solution

The fourth proportional to 2,729.10, 4,090.85 and 1,062.78 is: 1,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.10 : 4,090.85 = 1,062.78 : x
  2. Step 2: Convert to fraction form
    2,729.10/4,090.85 = 1,062.78/x
  3. Step 3: Cross multiply
    2,729.10x = 4,090.85 × 1,062.78
  4. Step 4: Simplify right side
    2,729.10x = 4,347,673.56
  5. Step 5: Solve for x
    x = 4,347,673.56/2,729.10
  6. Step 6: Final answer
    x = 1,593.08

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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.