Home / 1,512.90-2,084.94-1,092.42

Finding the Fourth Proportional to 1,512.90, 2,084.94 and 1,092.42

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Solution

The fourth proportional to 1,512.90, 2,084.94 and 1,092.42 is: 1,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.90 : 2,084.94 = 1,092.42 : x
  2. Step 2: Convert to fraction form
    1,512.90/2,084.94 = 1,092.42/x
  3. Step 3: Cross multiply
    1,512.90x = 2,084.94 × 1,092.42
  4. Step 4: Simplify right side
    1,512.90x = 2,277,630.15
  5. Step 5: Solve for x
    x = 2,277,630.15/1,512.90
  6. Step 6: Final answer
    x = 1,505.47

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1.5x scale

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.