Home / 1,371.66-2,060.20-1,178.24

Finding the Fourth Proportional to 1,371.66, 2,060.20 and 1,178.24

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Solution

The fourth proportional to 1,371.66, 2,060.20 and 1,178.24 is: 1,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.66 : 2,060.20 = 1,178.24 : x
  2. Step 2: Convert to fraction form
    1,371.66/2,060.20 = 1,178.24/x
  3. Step 3: Cross multiply
    1,371.66x = 2,060.20 × 1,178.24
  4. Step 4: Simplify right side
    1,371.66x = 2,427,410.05
  5. Step 5: Solve for x
    x = 2,427,410.05/1,371.66
  6. Step 6: Final answer
    x = 1,769.69

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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.