Home / 3,247.30-4,481.20-1,830.99

Finding the Fourth Proportional to 3,247.30, 4,481.20 and 1,830.99

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Solution

The fourth proportional to 3,247.30, 4,481.20 and 1,830.99 is: 2,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.30 : 4,481.20 = 1,830.99 : x
  2. Step 2: Convert to fraction form
    3,247.30/4,481.20 = 1,830.99/x
  3. Step 3: Cross multiply
    3,247.30x = 4,481.20 × 1,830.99
  4. Step 4: Simplify right side
    3,247.30x = 8,205,032.39
  5. Step 5: Solve for x
    x = 8,205,032.39/3,247.30
  6. Step 6: Final answer
    x = 2,526.72

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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.