Home / 3,922.74-5,884.68-1,326.42

Finding the Fourth Proportional to 3,922.74, 5,884.68 and 1,326.42

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Solution

The fourth proportional to 3,922.74, 5,884.68 and 1,326.42 is: 1,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.74 : 5,884.68 = 1,326.42 : x
  2. Step 2: Convert to fraction form
    3,922.74/5,884.68 = 1,326.42/x
  3. Step 3: Cross multiply
    3,922.74x = 5,884.68 × 1,326.42
  4. Step 4: Simplify right side
    3,922.74x = 7,805,557.25
  5. Step 5: Solve for x
    x = 7,805,557.25/3,922.74
  6. Step 6: Final answer
    x = 1,989.82

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1.5x scale

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.