Home / 1,340.54-1,849.82-750.95

Finding the Fourth Proportional to 1,340.54, 1,849.82 and 750.95

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Solution

The fourth proportional to 1,340.54, 1,849.82 and 750.95 is: 1,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.54 : 1,849.82 = 750.95 : x
  2. Step 2: Convert to fraction form
    1,340.54/1,849.82 = 750.95/x
  3. Step 3: Cross multiply
    1,340.54x = 1,849.82 × 750.95
  4. Step 4: Simplify right side
    1,340.54x = 1,389,122.33
  5. Step 5: Solve for x
    x = 1,389,122.33/1,340.54
  6. Step 6: Final answer
    x = 1,036.24

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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.