Home / 2,961.09-4,441.68-1,402.20

Finding the Fourth Proportional to 2,961.09, 4,441.68 and 1,402.20

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Solution

The fourth proportional to 2,961.09, 4,441.68 and 1,402.20 is: 2,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.09 : 4,441.68 = 1,402.20 : x
  2. Step 2: Convert to fraction form
    2,961.09/4,441.68 = 1,402.20/x
  3. Step 3: Cross multiply
    2,961.09x = 4,441.68 × 1,402.20
  4. Step 4: Simplify right side
    2,961.09x = 6,228,123.70
  5. Step 5: Solve for x
    x = 6,228,123.70/2,961.09
  6. Step 6: Final answer
    x = 2,103.32

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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.