Home / 3,101.56-4,652.93-1,998.16

Finding the Fourth Proportional to 3,101.56, 4,652.93 and 1,998.16

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Solution

The fourth proportional to 3,101.56, 4,652.93 and 1,998.16 is: 2,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.56 : 4,652.93 = 1,998.16 : x
  2. Step 2: Convert to fraction form
    3,101.56/4,652.93 = 1,998.16/x
  3. Step 3: Cross multiply
    3,101.56x = 4,652.93 × 1,998.16
  4. Step 4: Simplify right side
    3,101.56x = 9,297,288.62
  5. Step 5: Solve for x
    x = 9,297,288.62/3,101.56
  6. Step 6: Final answer
    x = 2,997.62

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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.