Home / 1,512.41-2,086.98-849.13

Finding the Fourth Proportional to 1,512.41, 2,086.98 and 849.13

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Solution

The fourth proportional to 1,512.41, 2,086.98 and 849.13 is: 1,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.41 : 2,086.98 = 849.13 : x
  2. Step 2: Convert to fraction form
    1,512.41/2,086.98 = 849.13/x
  3. Step 3: Cross multiply
    1,512.41x = 2,086.98 × 849.13
  4. Step 4: Simplify right side
    1,512.41x = 1,772,108.93
  5. Step 5: Solve for x
    x = 1,772,108.93/1,512.41
  6. Step 6: Final answer
    x = 1,171.72

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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.