Home / 3,822.16-5,731.48-1,512.08

Finding the Fourth Proportional to 3,822.16, 5,731.48 and 1,512.08

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Solution

The fourth proportional to 3,822.16, 5,731.48 and 1,512.08 is: 2,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.16 : 5,731.48 = 1,512.08 : x
  2. Step 2: Convert to fraction form
    3,822.16/5,731.48 = 1,512.08/x
  3. Step 3: Cross multiply
    3,822.16x = 5,731.48 × 1,512.08
  4. Step 4: Simplify right side
    3,822.16x = 8,666,456.28
  5. Step 5: Solve for x
    x = 8,666,456.28/3,822.16
  6. Step 6: Final answer
    x = 2,267.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.