Home / 3,741.17-5,162.34-2,147.89

Finding the Fourth Proportional to 3,741.17, 5,162.34 and 2,147.89

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Solution

The fourth proportional to 3,741.17, 5,162.34 and 2,147.89 is: 2,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.17 : 5,162.34 = 2,147.89 : x
  2. Step 2: Convert to fraction form
    3,741.17/5,162.34 = 2,147.89/x
  3. Step 3: Cross multiply
    3,741.17x = 5,162.34 × 2,147.89
  4. Step 4: Simplify right side
    3,741.17x = 11,088,140.44
  5. Step 5: Solve for x
    x = 11,088,140.44/3,741.17
  6. Step 6: Final answer
    x = 2,963.81

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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.