Home / 2,766.43-3,821.40-2,569.60

Finding the Fourth Proportional to 2,766.43, 3,821.40 and 2,569.60

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Solution

The fourth proportional to 2,766.43, 3,821.40 and 2,569.60 is: 3,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.43 : 3,821.40 = 2,569.60 : x
  2. Step 2: Convert to fraction form
    2,766.43/3,821.40 = 2,569.60/x
  3. Step 3: Cross multiply
    2,766.43x = 3,821.40 × 2,569.60
  4. Step 4: Simplify right side
    2,766.43x = 9,819,469.44
  5. Step 5: Solve for x
    x = 9,819,469.44/2,766.43
  6. Step 6: Final answer
    x = 3,549.51

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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.