Home / 3,174.88-4,381.33-1,739.23

Finding the Fourth Proportional to 3,174.88, 4,381.33 and 1,739.23

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Solution

The fourth proportional to 3,174.88, 4,381.33 and 1,739.23 is: 2,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.88 : 4,381.33 = 1,739.23 : x
  2. Step 2: Convert to fraction form
    3,174.88/4,381.33 = 1,739.23/x
  3. Step 3: Cross multiply
    3,174.88x = 4,381.33 × 1,739.23
  4. Step 4: Simplify right side
    3,174.88x = 7,620,140.58
  5. Step 5: Solve for x
    x = 7,620,140.58/3,174.88
  6. Step 6: Final answer
    x = 2,400.13

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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.