Home / 1,195.14-1,649.26-671.18

Finding the Fourth Proportional to 1,195.14, 1,649.26 and 671.18

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Solution

The fourth proportional to 1,195.14, 1,649.26 and 671.18 is: 926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.14 : 1,649.26 = 671.18 : x
  2. Step 2: Convert to fraction form
    1,195.14/1,649.26 = 671.18/x
  3. Step 3: Cross multiply
    1,195.14x = 1,649.26 × 671.18
  4. Step 4: Simplify right side
    1,195.14x = 1,106,950.33
  5. Step 5: Solve for x
    x = 1,106,950.33/1,195.14
  6. Step 6: Final answer
    x = 926.21

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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.