Home / 2,082.27-2,858.49-1,787.03

Finding the Fourth Proportional to 2,082.27, 2,858.49 and 1,787.03

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Solution

The fourth proportional to 2,082.27, 2,858.49 and 1,787.03 is: 2,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.27 : 2,858.49 = 1,787.03 : x
  2. Step 2: Convert to fraction form
    2,082.27/2,858.49 = 1,787.03/x
  3. Step 3: Cross multiply
    2,082.27x = 2,858.49 × 1,787.03
  4. Step 4: Simplify right side
    2,082.27x = 5,108,207.38
  5. Step 5: Solve for x
    x = 5,108,207.38/2,082.27
  6. Step 6: Final answer
    x = 2,453.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.