Home / 1,176.15-1,757.33-1,135.28

Finding the Fourth Proportional to 1,176.15, 1,757.33 and 1,135.28

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Solution

The fourth proportional to 1,176.15, 1,757.33 and 1,135.28 is: 1,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.15 : 1,757.33 = 1,135.28 : x
  2. Step 2: Convert to fraction form
    1,176.15/1,757.33 = 1,135.28/x
  3. Step 3: Cross multiply
    1,176.15x = 1,757.33 × 1,135.28
  4. Step 4: Simplify right side
    1,176.15x = 1,995,064.58
  5. Step 5: Solve for x
    x = 1,995,064.58/1,176.15
  6. Step 6: Final answer
    x = 1,696.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.