Home / 1,512.55-2,087.26-849.43

Finding the Fourth Proportional to 1,512.55, 2,087.26 and 849.43

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Solution

The fourth proportional to 1,512.55, 2,087.26 and 849.43 is: 1,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.55 : 2,087.26 = 849.43 : x
  2. Step 2: Convert to fraction form
    1,512.55/2,087.26 = 849.43/x
  3. Step 3: Cross multiply
    1,512.55x = 2,087.26 × 849.43
  4. Step 4: Simplify right side
    1,512.55x = 1,772,981.26
  5. Step 5: Solve for x
    x = 1,772,981.26/1,512.55
  6. Step 6: Final answer
    x = 1,172.18

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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.