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Finding the Fourth Proportional to 2,659.56, 3,671.04 and 1,819.95

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Solution

The fourth proportional to 2,659.56, 3,671.04 and 1,819.95 is: 2,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.56 : 3,671.04 = 1,819.95 : x
  2. Step 2: Convert to fraction form
    2,659.56/3,671.04 = 1,819.95/x
  3. Step 3: Cross multiply
    2,659.56x = 3,671.04 × 1,819.95
  4. Step 4: Simplify right side
    2,659.56x = 6,681,109.25
  5. Step 5: Solve for x
    x = 6,681,109.25/2,659.56
  6. Step 6: Final answer
    x = 2,512.11

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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.