Home / 3,622.28-5,407.20-3,351.74

Finding the Fourth Proportional to 3,622.28, 5,407.20 and 3,351.74

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Solution

The fourth proportional to 3,622.28, 5,407.20 and 3,351.74 is: 5,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.28 : 5,407.20 = 3,351.74 : x
  2. Step 2: Convert to fraction form
    3,622.28/5,407.20 = 3,351.74/x
  3. Step 3: Cross multiply
    3,622.28x = 5,407.20 × 3,351.74
  4. Step 4: Simplify right side
    3,622.28x = 18,123,501.49
  5. Step 5: Solve for x
    x = 18,123,501.49/3,622.28
  6. Step 6: Final answer
    x = 5,003.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.