Home / 2,792.25-3,860.51-2,669.85

Finding the Fourth Proportional to 2,792.25, 3,860.51 and 2,669.85

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Solution

The fourth proportional to 2,792.25, 3,860.51 and 2,669.85 is: 3,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.25 : 3,860.51 = 2,669.85 : x
  2. Step 2: Convert to fraction form
    2,792.25/3,860.51 = 2,669.85/x
  3. Step 3: Cross multiply
    2,792.25x = 3,860.51 × 2,669.85
  4. Step 4: Simplify right side
    2,792.25x = 10,306,969.27
  5. Step 5: Solve for x
    x = 10,306,969.27/2,792.25
  6. Step 6: Final answer
    x = 3,691.28

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1.5x scale

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.