Home / 2,961.34-4,430.85-1,770.97

Finding the Fourth Proportional to 2,961.34, 4,430.85 and 1,770.97

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Solution

The fourth proportional to 2,961.34, 4,430.85 and 1,770.97 is: 2,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.34 : 4,430.85 = 1,770.97 : x
  2. Step 2: Convert to fraction form
    2,961.34/4,430.85 = 1,770.97/x
  3. Step 3: Cross multiply
    2,961.34x = 4,430.85 × 1,770.97
  4. Step 4: Simplify right side
    2,961.34x = 7,846,902.42
  5. Step 5: Solve for x
    x = 7,846,902.42/2,961.34
  6. Step 6: Final answer
    x = 2,649.78

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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.