Home / 1,350.33-1,871.95-1,276.41

Finding the Fourth Proportional to 1,350.33, 1,871.95 and 1,276.41

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Solution

The fourth proportional to 1,350.33, 1,871.95 and 1,276.41 is: 1,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.33 : 1,871.95 = 1,276.41 : x
  2. Step 2: Convert to fraction form
    1,350.33/1,871.95 = 1,276.41/x
  3. Step 3: Cross multiply
    1,350.33x = 1,871.95 × 1,276.41
  4. Step 4: Simplify right side
    1,350.33x = 2,389,375.70
  5. Step 5: Solve for x
    x = 2,389,375.70/1,350.33
  6. Step 6: Final answer
    x = 1,769.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.