Home / 1,512.46-2,087.19-849.52

Finding the Fourth Proportional to 1,512.46, 2,087.19 and 849.52

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Solution

The fourth proportional to 1,512.46, 2,087.19 and 849.52 is: 1,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.46 : 2,087.19 = 849.52 : x
  2. Step 2: Convert to fraction form
    1,512.46/2,087.19 = 849.52/x
  3. Step 3: Cross multiply
    1,512.46x = 2,087.19 × 849.52
  4. Step 4: Simplify right side
    1,512.46x = 1,773,109.65
  5. Step 5: Solve for x
    x = 1,773,109.65/1,512.46
  6. Step 6: Final answer
    x = 1,172.34

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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.