Home / 2,965.31-4,091.01-1,770.49

Finding the Fourth Proportional to 2,965.31, 4,091.01 and 1,770.49

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Solution

The fourth proportional to 2,965.31, 4,091.01 and 1,770.49 is: 2,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.31 : 4,091.01 = 1,770.49 : x
  2. Step 2: Convert to fraction form
    2,965.31/4,091.01 = 1,770.49/x
  3. Step 3: Cross multiply
    2,965.31x = 4,091.01 × 1,770.49
  4. Step 4: Simplify right side
    2,965.31x = 7,243,089.67
  5. Step 5: Solve for x
    x = 7,243,089.67/2,965.31
  6. Step 6: Final answer
    x = 2,442.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.