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Finding the Fourth Proportional to 3,181.01, 4,773.06 and 1,947.74

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Solution

The fourth proportional to 3,181.01, 4,773.06 and 1,947.74 is: 2,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.01 : 4,773.06 = 1,947.74 : x
  2. Step 2: Convert to fraction form
    3,181.01/4,773.06 = 1,947.74/x
  3. Step 3: Cross multiply
    3,181.01x = 4,773.06 × 1,947.74
  4. Step 4: Simplify right side
    3,181.01x = 9,296,656.02
  5. Step 5: Solve for x
    x = 9,296,656.02/3,181.01
  6. Step 6: Final answer
    x = 2,922.55

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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.