Home / 4,170.89-5,756.67-3,174.39

Finding the Fourth Proportional to 4,170.89, 5,756.67 and 3,174.39

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Solution

The fourth proportional to 4,170.89, 5,756.67 and 3,174.39 is: 4,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.89 : 5,756.67 = 3,174.39 : x
  2. Step 2: Convert to fraction form
    4,170.89/5,756.67 = 3,174.39/x
  3. Step 3: Cross multiply
    4,170.89x = 5,756.67 × 3,174.39
  4. Step 4: Simplify right side
    4,170.89x = 18,273,915.68
  5. Step 5: Solve for x
    x = 18,273,915.68/4,170.89
  6. Step 6: Final answer
    x = 4,381.30

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1.5x scale

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.