Home / 3,871.67-5,343.68-2,299.46

Finding the Fourth Proportional to 3,871.67, 5,343.68 and 2,299.46

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Solution

The fourth proportional to 3,871.67, 5,343.68 and 2,299.46 is: 3,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.67 : 5,343.68 = 2,299.46 : x
  2. Step 2: Convert to fraction form
    3,871.67/5,343.68 = 2,299.46/x
  3. Step 3: Cross multiply
    3,871.67x = 5,343.68 × 2,299.46
  4. Step 4: Simplify right side
    3,871.67x = 12,287,565.05
  5. Step 5: Solve for x
    x = 12,287,565.05/3,871.67
  6. Step 6: Final answer
    x = 3,173.71

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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.