Home / 3,099.43-4,277.72-2,392.30

Finding the Fourth Proportional to 3,099.43, 4,277.72 and 2,392.30

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Solution

The fourth proportional to 3,099.43, 4,277.72 and 2,392.30 is: 3,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.43 : 4,277.72 = 2,392.30 : x
  2. Step 2: Convert to fraction form
    3,099.43/4,277.72 = 2,392.30/x
  3. Step 3: Cross multiply
    3,099.43x = 4,277.72 × 2,392.30
  4. Step 4: Simplify right side
    3,099.43x = 10,233,589.56
  5. Step 5: Solve for x
    x = 10,233,589.56/3,099.43
  6. Step 6: Final answer
    x = 3,301.77

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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.