Home / 1,480.18-2,042.40-850.57

Finding the Fourth Proportional to 1,480.18, 2,042.40 and 850.57

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Solution

The fourth proportional to 1,480.18, 2,042.40 and 850.57 is: 1,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.18 : 2,042.40 = 850.57 : x
  2. Step 2: Convert to fraction form
    1,480.18/2,042.40 = 850.57/x
  3. Step 3: Cross multiply
    1,480.18x = 2,042.40 × 850.57
  4. Step 4: Simplify right side
    1,480.18x = 1,737,208.48
  5. Step 5: Solve for x
    x = 1,737,208.48/1,480.18
  6. Step 6: Final answer
    x = 1,173.65

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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.