Home / 2,961.10-4,087.18-2,077.12

Finding the Fourth Proportional to 2,961.10, 4,087.18 and 2,077.12

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Solution

The fourth proportional to 2,961.10, 4,087.18 and 2,077.12 is: 2,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.10 : 4,087.18 = 2,077.12 : x
  2. Step 2: Convert to fraction form
    2,961.10/4,087.18 = 2,077.12/x
  3. Step 3: Cross multiply
    2,961.10x = 4,087.18 × 2,077.12
  4. Step 4: Simplify right side
    2,961.10x = 8,489,563.32
  5. Step 5: Solve for x
    x = 8,489,563.32/2,961.10
  6. Step 6: Final answer
    x = 2,867.03

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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.