Home / 2,797.20-4,192.32-2,767.92

Finding the Fourth Proportional to 2,797.20, 4,192.32 and 2,767.92

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Solution

The fourth proportional to 2,797.20, 4,192.32 and 2,767.92 is: 4,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.20 : 4,192.32 = 2,767.92 : x
  2. Step 2: Convert to fraction form
    2,797.20/4,192.32 = 2,767.92/x
  3. Step 3: Cross multiply
    2,797.20x = 4,192.32 × 2,767.92
  4. Step 4: Simplify right side
    2,797.20x = 11,604,006.37
  5. Step 5: Solve for x
    x = 11,604,006.37/2,797.20
  6. Step 6: Final answer
    x = 4,148.44

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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.