Home / 3,997.81-5,517.68-2,507.01

Finding the Fourth Proportional to 3,997.81, 5,517.68 and 2,507.01

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Solution

The fourth proportional to 3,997.81, 5,517.68 and 2,507.01 is: 3,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.81 : 5,517.68 = 2,507.01 : x
  2. Step 2: Convert to fraction form
    3,997.81/5,517.68 = 2,507.01/x
  3. Step 3: Cross multiply
    3,997.81x = 5,517.68 × 2,507.01
  4. Step 4: Simplify right side
    3,997.81x = 13,832,878.94
  5. Step 5: Solve for x
    x = 13,832,878.94/3,997.81
  6. Step 6: Final answer
    x = 3,460.11

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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.