Home / 1,351.46-2,025.75-965.54

Finding the Fourth Proportional to 1,351.46, 2,025.75 and 965.54

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Solution

The fourth proportional to 1,351.46, 2,025.75 and 965.54 is: 1,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.46 : 2,025.75 = 965.54 : x
  2. Step 2: Convert to fraction form
    1,351.46/2,025.75 = 965.54/x
  3. Step 3: Cross multiply
    1,351.46x = 2,025.75 × 965.54
  4. Step 4: Simplify right side
    1,351.46x = 1,955,942.66
  5. Step 5: Solve for x
    x = 1,955,942.66/1,351.46
  6. Step 6: Final answer
    x = 1,447.28

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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.