Home / 3,750.89-5,174.25-3,043.53

Finding the Fourth Proportional to 3,750.89, 5,174.25 and 3,043.53

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Solution

The fourth proportional to 3,750.89, 5,174.25 and 3,043.53 is: 4,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.89 : 5,174.25 = 3,043.53 : x
  2. Step 2: Convert to fraction form
    3,750.89/5,174.25 = 3,043.53/x
  3. Step 3: Cross multiply
    3,750.89x = 5,174.25 × 3,043.53
  4. Step 4: Simplify right side
    3,750.89x = 15,747,985.10
  5. Step 5: Solve for x
    x = 15,747,985.10/3,750.89
  6. Step 6: Final answer
    x = 4,198.47

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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.