Home / 2,082.08-2,873.31-1,137.85

Finding the Fourth Proportional to 2,082.08, 2,873.31 and 1,137.85

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Solution

The fourth proportional to 2,082.08, 2,873.31 and 1,137.85 is: 1,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.08 : 2,873.31 = 1,137.85 : x
  2. Step 2: Convert to fraction form
    2,082.08/2,873.31 = 1,137.85/x
  3. Step 3: Cross multiply
    2,082.08x = 2,873.31 × 1,137.85
  4. Step 4: Simplify right side
    2,082.08x = 3,269,392.73
  5. Step 5: Solve for x
    x = 3,269,392.73/2,082.08
  6. Step 6: Final answer
    x = 1,570.25

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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.