Home / 3,222.13-4,833.80-1,490.75

Finding the Fourth Proportional to 3,222.13, 4,833.80 and 1,490.75

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Solution

The fourth proportional to 3,222.13, 4,833.80 and 1,490.75 is: 2,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.13 : 4,833.80 = 1,490.75 : x
  2. Step 2: Convert to fraction form
    3,222.13/4,833.80 = 1,490.75/x
  3. Step 3: Cross multiply
    3,222.13x = 4,833.80 × 1,490.75
  4. Step 4: Simplify right side
    3,222.13x = 7,205,979.90
  5. Step 5: Solve for x
    x = 7,205,979.90/3,222.13
  6. Step 6: Final answer
    x = 2,236.41

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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.