Home / 1,175.80-1,764.24-1,156.36

Finding the Fourth Proportional to 1,175.80, 1,764.24 and 1,156.36

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Solution

The fourth proportional to 1,175.80, 1,764.24 and 1,156.36 is: 1,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.80 : 1,764.24 = 1,156.36 : x
  2. Step 2: Convert to fraction form
    1,175.80/1,764.24 = 1,156.36/x
  3. Step 3: Cross multiply
    1,175.80x = 1,764.24 × 1,156.36
  4. Step 4: Simplify right side
    1,175.80x = 2,040,096.57
  5. Step 5: Solve for x
    x = 2,040,096.57/1,175.80
  6. Step 6: Final answer
    x = 1,735.07

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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.