Home / 2,961.10-4,086.33-1,634.81

Finding the Fourth Proportional to 2,961.10, 4,086.33 and 1,634.81

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Solution

The fourth proportional to 2,961.10, 4,086.33 and 1,634.81 is: 2,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.10 : 4,086.33 = 1,634.81 : x
  2. Step 2: Convert to fraction form
    2,961.10/4,086.33 = 1,634.81/x
  3. Step 3: Cross multiply
    2,961.10x = 4,086.33 × 1,634.81
  4. Step 4: Simplify right side
    2,961.10x = 6,680,358.84
  5. Step 5: Solve for x
    x = 6,680,358.84/2,961.10
  6. Step 6: Final answer
    x = 2,256.04

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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.