Home / 3,322.30-4,979.40-1,471.45

Finding the Fourth Proportional to 3,322.30, 4,979.40 and 1,471.45

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Solution

The fourth proportional to 3,322.30, 4,979.40 and 1,471.45 is: 2,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.30 : 4,979.40 = 1,471.45 : x
  2. Step 2: Convert to fraction form
    3,322.30/4,979.40 = 1,471.45/x
  3. Step 3: Cross multiply
    3,322.30x = 4,979.40 × 1,471.45
  4. Step 4: Simplify right side
    3,322.30x = 7,326,938.13
  5. Step 5: Solve for x
    x = 7,326,938.13/3,322.30
  6. Step 6: Final answer
    x = 2,205.38

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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.