Home / 1,195.80-1,648.26-933.36

Finding the Fourth Proportional to 1,195.80, 1,648.26 and 933.36

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Solution

The fourth proportional to 1,195.80, 1,648.26 and 933.36 is: 1,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.80 : 1,648.26 = 933.36 : x
  2. Step 2: Convert to fraction form
    1,195.80/1,648.26 = 933.36/x
  3. Step 3: Cross multiply
    1,195.80x = 1,648.26 × 933.36
  4. Step 4: Simplify right side
    1,195.80x = 1,538,419.95
  5. Step 5: Solve for x
    x = 1,538,419.95/1,195.80
  6. Step 6: Final answer
    x = 1,286.52

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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.