Home / 3,751.74-5,171.19-2,818.62

Finding the Fourth Proportional to 3,751.74, 5,171.19 and 2,818.62

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Solution

The fourth proportional to 3,751.74, 5,171.19 and 2,818.62 is: 3,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.74 : 5,171.19 = 2,818.62 : x
  2. Step 2: Convert to fraction form
    3,751.74/5,171.19 = 2,818.62/x
  3. Step 3: Cross multiply
    3,751.74x = 5,171.19 × 2,818.62
  4. Step 4: Simplify right side
    3,751.74x = 14,575,619.56
  5. Step 5: Solve for x
    x = 14,575,619.56/3,751.74
  6. Step 6: Final answer
    x = 3,885.03

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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.