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Finding the Fourth Proportional to 3,251.02, 4,881.04 and 1,670.84

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Solution

The fourth proportional to 3,251.02, 4,881.04 and 1,670.84 is: 2,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.02 : 4,881.04 = 1,670.84 : x
  2. Step 2: Convert to fraction form
    3,251.02/4,881.04 = 1,670.84/x
  3. Step 3: Cross multiply
    3,251.02x = 4,881.04 × 1,670.84
  4. Step 4: Simplify right side
    3,251.02x = 8,155,436.87
  5. Step 5: Solve for x
    x = 8,155,436.87/3,251.02
  6. Step 6: Final answer
    x = 2,508.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.