Home / 3,371.46-5,052.58-2,139.74

Finding the Fourth Proportional to 3,371.46, 5,052.58 and 2,139.74

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Solution

The fourth proportional to 3,371.46, 5,052.58 and 2,139.74 is: 3,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.46 : 5,052.58 = 2,139.74 : x
  2. Step 2: Convert to fraction form
    3,371.46/5,052.58 = 2,139.74/x
  3. Step 3: Cross multiply
    3,371.46x = 5,052.58 × 2,139.74
  4. Step 4: Simplify right side
    3,371.46x = 10,811,207.53
  5. Step 5: Solve for x
    x = 10,811,207.53/3,371.46
  6. Step 6: Final answer
    x = 3,206.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.