Home / 3,223.30-4,449.03-1,897.44

Finding the Fourth Proportional to 3,223.30, 4,449.03 and 1,897.44

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Solution

The fourth proportional to 3,223.30, 4,449.03 and 1,897.44 is: 2,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.30 : 4,449.03 = 1,897.44 : x
  2. Step 2: Convert to fraction form
    3,223.30/4,449.03 = 1,897.44/x
  3. Step 3: Cross multiply
    3,223.30x = 4,449.03 × 1,897.44
  4. Step 4: Simplify right side
    3,223.30x = 8,441,767.48
  5. Step 5: Solve for x
    x = 8,441,767.48/3,223.30
  6. Step 6: Final answer
    x = 2,618.98

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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.