Home / 3,751.85-5,174.87-2,866.11

Finding the Fourth Proportional to 3,751.85, 5,174.87 and 2,866.11

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Solution

The fourth proportional to 3,751.85, 5,174.87 and 2,866.11 is: 3,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.85 : 5,174.87 = 2,866.11 : x
  2. Step 2: Convert to fraction form
    3,751.85/5,174.87 = 2,866.11/x
  3. Step 3: Cross multiply
    3,751.85x = 5,174.87 × 2,866.11
  4. Step 4: Simplify right side
    3,751.85x = 14,831,732.33
  5. Step 5: Solve for x
    x = 14,831,732.33/3,751.85
  6. Step 6: Final answer
    x = 3,953.18

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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.