Home / 3,682.74-5,082.32-2,111.14

Finding the Fourth Proportional to 3,682.74, 5,082.32 and 2,111.14

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Solution

The fourth proportional to 3,682.74, 5,082.32 and 2,111.14 is: 2,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.74 : 5,082.32 = 2,111.14 : x
  2. Step 2: Convert to fraction form
    3,682.74/5,082.32 = 2,111.14/x
  3. Step 3: Cross multiply
    3,682.74x = 5,082.32 × 2,111.14
  4. Step 4: Simplify right side
    3,682.74x = 10,729,489.04
  5. Step 5: Solve for x
    x = 10,729,489.04/3,682.74
  6. Step 6: Final answer
    x = 2,913.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.