Home / 3,705.95-5,114.31-2,027.43

Finding the Fourth Proportional to 3,705.95, 5,114.31 and 2,027.43

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Solution

The fourth proportional to 3,705.95, 5,114.31 and 2,027.43 is: 2,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.95 : 5,114.31 = 2,027.43 : x
  2. Step 2: Convert to fraction form
    3,705.95/5,114.31 = 2,027.43/x
  3. Step 3: Cross multiply
    3,705.95x = 5,114.31 × 2,027.43
  4. Step 4: Simplify right side
    3,705.95x = 10,368,883.54
  5. Step 5: Solve for x
    x = 10,368,883.54/3,705.95
  6. Step 6: Final answer
    x = 2,797.90

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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.