Home / 3,219.23-4,443.24-1,960.71

Finding the Fourth Proportional to 3,219.23, 4,443.24 and 1,960.71

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Solution

The fourth proportional to 3,219.23, 4,443.24 and 1,960.71 is: 2,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.23 : 4,443.24 = 1,960.71 : x
  2. Step 2: Convert to fraction form
    3,219.23/4,443.24 = 1,960.71/x
  3. Step 3: Cross multiply
    3,219.23x = 4,443.24 × 1,960.71
  4. Step 4: Simplify right side
    3,219.23x = 8,711,905.10
  5. Step 5: Solve for x
    x = 8,711,905.10/3,219.23
  6. Step 6: Final answer
    x = 2,706.21

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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.