Home / 3,924.07-5,418.73-2,927.62

Finding the Fourth Proportional to 3,924.07, 5,418.73 and 2,927.62

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Solution

The fourth proportional to 3,924.07, 5,418.73 and 2,927.62 is: 4,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.07 : 5,418.73 = 2,927.62 : x
  2. Step 2: Convert to fraction form
    3,924.07/5,418.73 = 2,927.62/x
  3. Step 3: Cross multiply
    3,924.07x = 5,418.73 × 2,927.62
  4. Step 4: Simplify right side
    3,924.07x = 15,863,955.23
  5. Step 5: Solve for x
    x = 15,863,955.23/3,924.07
  6. Step 6: Final answer
    x = 4,042.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.