Home / 2,175.20-3,256.40-1,350.96

Finding the Fourth Proportional to 2,175.20, 3,256.40 and 1,350.96

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Solution

The fourth proportional to 2,175.20, 3,256.40 and 1,350.96 is: 2,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.20 : 3,256.40 = 1,350.96 : x
  2. Step 2: Convert to fraction form
    2,175.20/3,256.40 = 1,350.96/x
  3. Step 3: Cross multiply
    2,175.20x = 3,256.40 × 1,350.96
  4. Step 4: Simplify right side
    2,175.20x = 4,399,266.14
  5. Step 5: Solve for x
    x = 4,399,266.14/2,175.20
  6. Step 6: Final answer
    x = 2,022.47

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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.