Home / 1,512.34-2,087.20-849.26

Finding the Fourth Proportional to 1,512.34, 2,087.20 and 849.26

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Solution

The fourth proportional to 1,512.34, 2,087.20 and 849.26 is: 1,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.34 : 2,087.20 = 849.26 : x
  2. Step 2: Convert to fraction form
    1,512.34/2,087.20 = 849.26/x
  3. Step 3: Cross multiply
    1,512.34x = 2,087.20 × 849.26
  4. Step 4: Simplify right side
    1,512.34x = 1,772,575.47
  5. Step 5: Solve for x
    x = 1,772,575.47/1,512.34
  6. Step 6: Final answer
    x = 1,172.07

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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.