Home / 2,747.36-3,792.67-1,568.20

Finding the Fourth Proportional to 2,747.36, 3,792.67 and 1,568.20

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Solution

The fourth proportional to 2,747.36, 3,792.67 and 1,568.20 is: 2,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.36 : 3,792.67 = 1,568.20 : x
  2. Step 2: Convert to fraction form
    2,747.36/3,792.67 = 1,568.20/x
  3. Step 3: Cross multiply
    2,747.36x = 3,792.67 × 1,568.20
  4. Step 4: Simplify right side
    2,747.36x = 5,947,658.80
  5. Step 5: Solve for x
    x = 5,947,658.80/2,747.36
  6. Step 6: Final answer
    x = 2,164.87

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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.