Home / 3,174.75-4,381.02-1,758.43

Finding the Fourth Proportional to 3,174.75, 4,381.02 and 1,758.43

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Solution

The fourth proportional to 3,174.75, 4,381.02 and 1,758.43 is: 2,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.75 : 4,381.02 = 1,758.43 : x
  2. Step 2: Convert to fraction form
    3,174.75/4,381.02 = 1,758.43/x
  3. Step 3: Cross multiply
    3,174.75x = 4,381.02 × 1,758.43
  4. Step 4: Simplify right side
    3,174.75x = 7,703,722.47
  5. Step 5: Solve for x
    x = 7,703,722.47/3,174.75
  6. Step 6: Final answer
    x = 2,426.56

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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.