Home / 2,266.24-3,390.20-1,961.50

Finding the Fourth Proportional to 2,266.24, 3,390.20 and 1,961.50

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Solution

The fourth proportional to 2,266.24, 3,390.20 and 1,961.50 is: 2,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.24 : 3,390.20 = 1,961.50 : x
  2. Step 2: Convert to fraction form
    2,266.24/3,390.20 = 1,961.50/x
  3. Step 3: Cross multiply
    2,266.24x = 3,390.20 × 1,961.50
  4. Step 4: Simplify right side
    2,266.24x = 6,649,877.30
  5. Step 5: Solve for x
    x = 6,649,877.30/2,266.24
  6. Step 6: Final answer
    x = 2,934.32

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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.