Home / 2,082.29-2,873.48-1,138.08

Finding the Fourth Proportional to 2,082.29, 2,873.48 and 1,138.08

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Solution

The fourth proportional to 2,082.29, 2,873.48 and 1,138.08 is: 1,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.29 : 2,873.48 = 1,138.08 : x
  2. Step 2: Convert to fraction form
    2,082.29/2,873.48 = 1,138.08/x
  3. Step 3: Cross multiply
    2,082.29x = 2,873.48 × 1,138.08
  4. Step 4: Simplify right side
    2,082.29x = 3,270,244.43
  5. Step 5: Solve for x
    x = 3,270,244.43/2,082.29
  6. Step 6: Final answer
    x = 1,570.50

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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.