Home / 2,728.85-4,094.02-1,249.02

Finding the Fourth Proportional to 2,728.85, 4,094.02 and 1,249.02

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Solution

The fourth proportional to 2,728.85, 4,094.02 and 1,249.02 is: 1,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.85 : 4,094.02 = 1,249.02 : x
  2. Step 2: Convert to fraction form
    2,728.85/4,094.02 = 1,249.02/x
  3. Step 3: Cross multiply
    2,728.85x = 4,094.02 × 1,249.02
  4. Step 4: Simplify right side
    2,728.85x = 5,113,510.91
  5. Step 5: Solve for x
    x = 5,113,510.91/2,728.85
  6. Step 6: Final answer
    x = 1,873.87

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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.