Home / 3,439.29-5,161.02-1,960.62

Finding the Fourth Proportional to 3,439.29, 5,161.02 and 1,960.62

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Solution

The fourth proportional to 3,439.29, 5,161.02 and 1,960.62 is: 2,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.29 : 5,161.02 = 1,960.62 : x
  2. Step 2: Convert to fraction form
    3,439.29/5,161.02 = 1,960.62/x
  3. Step 3: Cross multiply
    3,439.29x = 5,161.02 × 1,960.62
  4. Step 4: Simplify right side
    3,439.29x = 10,118,799.03
  5. Step 5: Solve for x
    x = 10,118,799.03/3,439.29
  6. Step 6: Final answer
    x = 2,942.12

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1.5x scale

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.