Home / 3,717.56-5,571.48-2,785.79

Finding the Fourth Proportional to 3,717.56, 5,571.48 and 2,785.79

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Solution

The fourth proportional to 3,717.56, 5,571.48 and 2,785.79 is: 4,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.56 : 5,571.48 = 2,785.79 : x
  2. Step 2: Convert to fraction form
    3,717.56/5,571.48 = 2,785.79/x
  3. Step 3: Cross multiply
    3,717.56x = 5,571.48 × 2,785.79
  4. Step 4: Simplify right side
    3,717.56x = 15,520,973.27
  5. Step 5: Solve for x
    x = 15,520,973.27/3,717.56
  6. Step 6: Final answer
    x = 4,175.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.