Home / 1,195.56-1,651.17-933.18

Finding the Fourth Proportional to 1,195.56, 1,651.17 and 933.18

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Solution

The fourth proportional to 1,195.56, 1,651.17 and 933.18 is: 1,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.56 : 1,651.17 = 933.18 : x
  2. Step 2: Convert to fraction form
    1,195.56/1,651.17 = 933.18/x
  3. Step 3: Cross multiply
    1,195.56x = 1,651.17 × 933.18
  4. Step 4: Simplify right side
    1,195.56x = 1,540,838.82
  5. Step 5: Solve for x
    x = 1,540,838.82/1,195.56
  6. Step 6: Final answer
    x = 1,288.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.