Home / 2,965.13-4,091.96-1,770.81

Finding the Fourth Proportional to 2,965.13, 4,091.96 and 1,770.81

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Solution

The fourth proportional to 2,965.13, 4,091.96 and 1,770.81 is: 2,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.13 : 4,091.96 = 1,770.81 : x
  2. Step 2: Convert to fraction form
    2,965.13/4,091.96 = 1,770.81/x
  3. Step 3: Cross multiply
    2,965.13x = 4,091.96 × 1,770.81
  4. Step 4: Simplify right side
    2,965.13x = 7,246,083.69
  5. Step 5: Solve for x
    x = 7,246,083.69/2,965.13
  6. Step 6: Final answer
    x = 2,443.77

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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.