Home / 3,954.42-5,920.29-2,653.56

Finding the Fourth Proportional to 3,954.42, 5,920.29 and 2,653.56

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Solution

The fourth proportional to 3,954.42, 5,920.29 and 2,653.56 is: 3,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.42 : 5,920.29 = 2,653.56 : x
  2. Step 2: Convert to fraction form
    3,954.42/5,920.29 = 2,653.56/x
  3. Step 3: Cross multiply
    3,954.42x = 5,920.29 × 2,653.56
  4. Step 4: Simplify right side
    3,954.42x = 15,709,844.73
  5. Step 5: Solve for x
    x = 15,709,844.73/3,954.42
  6. Step 6: Final answer
    x = 3,972.73

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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.