Home / 1,375.24-2,060.07-1,178.41

Finding the Fourth Proportional to 1,375.24, 2,060.07 and 1,178.41

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Solution

The fourth proportional to 1,375.24, 2,060.07 and 1,178.41 is: 1,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.24 : 2,060.07 = 1,178.41 : x
  2. Step 2: Convert to fraction form
    1,375.24/2,060.07 = 1,178.41/x
  3. Step 3: Cross multiply
    1,375.24x = 2,060.07 × 1,178.41
  4. Step 4: Simplify right side
    1,375.24x = 2,427,607.09
  5. Step 5: Solve for x
    x = 2,427,607.09/1,375.24
  6. Step 6: Final answer
    x = 1,765.22

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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.