Home / 3,275.89-4,906.24-1,885.78

Finding the Fourth Proportional to 3,275.89, 4,906.24 and 1,885.78

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Solution

The fourth proportional to 3,275.89, 4,906.24 and 1,885.78 is: 2,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.89 : 4,906.24 = 1,885.78 : x
  2. Step 2: Convert to fraction form
    3,275.89/4,906.24 = 1,885.78/x
  3. Step 3: Cross multiply
    3,275.89x = 4,906.24 × 1,885.78
  4. Step 4: Simplify right side
    3,275.89x = 9,252,089.27
  5. Step 5: Solve for x
    x = 9,252,089.27/3,275.89
  6. Step 6: Final answer
    x = 2,824.30

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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.