Home / 2,196.88-3,299.91-1,867.76

Finding the Fourth Proportional to 2,196.88, 3,299.91 and 1,867.76

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Solution

The fourth proportional to 2,196.88, 3,299.91 and 1,867.76 is: 2,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.88 : 3,299.91 = 1,867.76 : x
  2. Step 2: Convert to fraction form
    2,196.88/3,299.91 = 1,867.76/x
  3. Step 3: Cross multiply
    2,196.88x = 3,299.91 × 1,867.76
  4. Step 4: Simplify right side
    2,196.88x = 6,163,439.90
  5. Step 5: Solve for x
    x = 6,163,439.90/2,196.88
  6. Step 6: Final answer
    x = 2,805.54

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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.