Home / 2,922.12-4,035.15-2,718

Finding the Fourth Proportional to 2,922.12, 4,035.15 and 2,718

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Solution

The fourth proportional to 2,922.12, 4,035.15 and 2,718 is: 3,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.12 : 4,035.15 = 2,718 : x
  2. Step 2: Convert to fraction form
    2,922.12/4,035.15 = 2,718/x
  3. Step 3: Cross multiply
    2,922.12x = 4,035.15 × 2,718
  4. Step 4: Simplify right side
    2,922.12x = 10,967,537.70
  5. Step 5: Solve for x
    x = 10,967,537.70/2,922.12
  6. Step 6: Final answer
    x = 3,753.28

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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.