Home / 3,232.20-4,461.29-1,906.78

Finding the Fourth Proportional to 3,232.20, 4,461.29 and 1,906.78

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Solution

The fourth proportional to 3,232.20, 4,461.29 and 1,906.78 is: 2,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.20 : 4,461.29 = 1,906.78 : x
  2. Step 2: Convert to fraction form
    3,232.20/4,461.29 = 1,906.78/x
  3. Step 3: Cross multiply
    3,232.20x = 4,461.29 × 1,906.78
  4. Step 4: Simplify right side
    3,232.20x = 8,506,698.55
  5. Step 5: Solve for x
    x = 8,506,698.55/3,232.20
  6. Step 6: Final answer
    x = 2,631.86

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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.