Home / 2,961.83-4,087.35-1,635.76

Finding the Fourth Proportional to 2,961.83, 4,087.35 and 1,635.76

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Solution

The fourth proportional to 2,961.83, 4,087.35 and 1,635.76 is: 2,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.83 : 4,087.35 = 1,635.76 : x
  2. Step 2: Convert to fraction form
    2,961.83/4,087.35 = 1,635.76/x
  3. Step 3: Cross multiply
    2,961.83x = 4,087.35 × 1,635.76
  4. Step 4: Simplify right side
    2,961.83x = 6,685,895.02
  5. Step 5: Solve for x
    x = 6,685,895.02/2,961.83
  6. Step 6: Final answer
    x = 2,257.36

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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.