Home / 2,766.57-3,817.54-1,571.13

Finding the Fourth Proportional to 2,766.57, 3,817.54 and 1,571.13

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Solution

The fourth proportional to 2,766.57, 3,817.54 and 1,571.13 is: 2,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.57 : 3,817.54 = 1,571.13 : x
  2. Step 2: Convert to fraction form
    2,766.57/3,817.54 = 1,571.13/x
  3. Step 3: Cross multiply
    2,766.57x = 3,817.54 × 1,571.13
  4. Step 4: Simplify right side
    2,766.57x = 5,997,851.90
  5. Step 5: Solve for x
    x = 5,997,851.90/2,766.57
  6. Step 6: Final answer
    x = 2,167.97

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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.