Home / 3,785.02-5,220.38-3,227.34

Finding the Fourth Proportional to 3,785.02, 5,220.38 and 3,227.34

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Solution

The fourth proportional to 3,785.02, 5,220.38 and 3,227.34 is: 4,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.02 : 5,220.38 = 3,227.34 : x
  2. Step 2: Convert to fraction form
    3,785.02/5,220.38 = 3,227.34/x
  3. Step 3: Cross multiply
    3,785.02x = 5,220.38 × 3,227.34
  4. Step 4: Simplify right side
    3,785.02x = 16,847,941.19
  5. Step 5: Solve for x
    x = 16,847,941.19/3,785.02
  6. Step 6: Final answer
    x = 4,451.22

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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.