Home / 3,247.36-4,863.74-2,277.78

Finding the Fourth Proportional to 3,247.36, 4,863.74 and 2,277.78

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Solution

The fourth proportional to 3,247.36, 4,863.74 and 2,277.78 is: 3,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.36 : 4,863.74 = 2,277.78 : x
  2. Step 2: Convert to fraction form
    3,247.36/4,863.74 = 2,277.78/x
  3. Step 3: Cross multiply
    3,247.36x = 4,863.74 × 2,277.78
  4. Step 4: Simplify right side
    3,247.36x = 11,078,529.70
  5. Step 5: Solve for x
    x = 11,078,529.70/3,247.36
  6. Step 6: Final answer
    x = 3,411.55

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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.