Home / 2,896.20-4,344.34-2,081.40

Finding the Fourth Proportional to 2,896.20, 4,344.34 and 2,081.40

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Solution

The fourth proportional to 2,896.20, 4,344.34 and 2,081.40 is: 3,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.20 : 4,344.34 = 2,081.40 : x
  2. Step 2: Convert to fraction form
    2,896.20/4,344.34 = 2,081.40/x
  3. Step 3: Cross multiply
    2,896.20x = 4,344.34 × 2,081.40
  4. Step 4: Simplify right side
    2,896.20x = 9,042,309.28
  5. Step 5: Solve for x
    x = 9,042,309.28/2,896.20
  6. Step 6: Final answer
    x = 3,122.13

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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.