Home / 2,493.30-3,740.40-849.42

Finding the Fourth Proportional to 2,493.30, 3,740.40 and 849.42

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Solution

The fourth proportional to 2,493.30, 3,740.40 and 849.42 is: 1,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.30 : 3,740.40 = 849.42 : x
  2. Step 2: Convert to fraction form
    2,493.30/3,740.40 = 849.42/x
  3. Step 3: Cross multiply
    2,493.30x = 3,740.40 × 849.42
  4. Step 4: Simplify right side
    2,493.30x = 3,177,170.57
  5. Step 5: Solve for x
    x = 3,177,170.57/2,493.30
  6. Step 6: Final answer
    x = 1,274.28

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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.