Home / 3,321.23-4,979.55-1,471.34

Finding the Fourth Proportional to 3,321.23, 4,979.55 and 1,471.34

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Solution

The fourth proportional to 3,321.23, 4,979.55 and 1,471.34 is: 2,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.23 : 4,979.55 = 1,471.34 : x
  2. Step 2: Convert to fraction form
    3,321.23/4,979.55 = 1,471.34/x
  3. Step 3: Cross multiply
    3,321.23x = 4,979.55 × 1,471.34
  4. Step 4: Simplify right side
    3,321.23x = 7,326,611.10
  5. Step 5: Solve for x
    x = 7,326,611.10/3,321.23
  6. Step 6: Final answer
    x = 2,205.99

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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.