Home / 2,082.11-2,873.30-1,137.90

Finding the Fourth Proportional to 2,082.11, 2,873.30 and 1,137.90

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Solution

The fourth proportional to 2,082.11, 2,873.30 and 1,137.90 is: 1,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.11 : 2,873.30 = 1,137.90 : x
  2. Step 2: Convert to fraction form
    2,082.11/2,873.30 = 1,137.90/x
  3. Step 3: Cross multiply
    2,082.11x = 2,873.30 × 1,137.90
  4. Step 4: Simplify right side
    2,082.11x = 3,269,538.10
  5. Step 5: Solve for x
    x = 3,269,538.10/2,082.11
  6. Step 6: Final answer
    x = 1,570.30

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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.