Home / 2,129.26-3,193.18-896.44

Finding the Fourth Proportional to 2,129.26, 3,193.18 and 896.44

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Solution

The fourth proportional to 2,129.26, 3,193.18 and 896.44 is: 1,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.26 : 3,193.18 = 896.44 : x
  2. Step 2: Convert to fraction form
    2,129.26/3,193.18 = 896.44/x
  3. Step 3: Cross multiply
    2,129.26x = 3,193.18 × 896.44
  4. Step 4: Simplify right side
    2,129.26x = 2,862,494.28
  5. Step 5: Solve for x
    x = 2,862,494.28/2,129.26
  6. Step 6: Final answer
    x = 1,344.36

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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.