Home / 2,082.57-2,874.87-1,297.14

Finding the Fourth Proportional to 2,082.57, 2,874.87 and 1,297.14

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Solution

The fourth proportional to 2,082.57, 2,874.87 and 1,297.14 is: 1,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.57 : 2,874.87 = 1,297.14 : x
  2. Step 2: Convert to fraction form
    2,082.57/2,874.87 = 1,297.14/x
  3. Step 3: Cross multiply
    2,082.57x = 2,874.87 × 1,297.14
  4. Step 4: Simplify right side
    2,082.57x = 3,729,108.87
  5. Step 5: Solve for x
    x = 3,729,108.87/2,082.57
  6. Step 6: Final answer
    x = 1,790.63

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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.