Home / 2,961.29-4,086.61-1,635.00

Finding the Fourth Proportional to 2,961.29, 4,086.61 and 1,635.00

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Solution

The fourth proportional to 2,961.29, 4,086.61 and 1,635.00 is: 2,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.29 : 4,086.61 = 1,635.00 : x
  2. Step 2: Convert to fraction form
    2,961.29/4,086.61 = 1,635.00/x
  3. Step 3: Cross multiply
    2,961.29x = 4,086.61 × 1,635.00
  4. Step 4: Simplify right side
    2,961.29x = 6,681,587.94
  5. Step 5: Solve for x
    x = 6,681,587.94/2,961.29
  6. Step 6: Final answer
    x = 2,256.31

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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.