Home / 2,961.76-4,087.19-1,635.44

Finding the Fourth Proportional to 2,961.76, 4,087.19 and 1,635.44

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Solution

The fourth proportional to 2,961.76, 4,087.19 and 1,635.44 is: 2,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.76 : 4,087.19 = 1,635.44 : x
  2. Step 2: Convert to fraction form
    2,961.76/4,087.19 = 1,635.44/x
  3. Step 3: Cross multiply
    2,961.76x = 4,087.19 × 1,635.44
  4. Step 4: Simplify right side
    2,961.76x = 6,684,337.67
  5. Step 5: Solve for x
    x = 6,684,337.67/2,961.76
  6. Step 6: Final answer
    x = 2,256.88

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1.5x scale

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.