Home / 2,961.27-4,086.47-1,634.87

Finding the Fourth Proportional to 2,961.27, 4,086.47 and 1,634.87

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Solution

The fourth proportional to 2,961.27, 4,086.47 and 1,634.87 is: 2,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.27 : 4,086.47 = 1,634.87 : x
  2. Step 2: Convert to fraction form
    2,961.27/4,086.47 = 1,634.87/x
  3. Step 3: Cross multiply
    2,961.27x = 4,086.47 × 1,634.87
  4. Step 4: Simplify right side
    2,961.27x = 6,680,818.60
  5. Step 5: Solve for x
    x = 6,680,818.60/2,961.27
  6. Step 6: Final answer
    x = 2,256.07

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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.