Home / 2,728.26-4,088.73-2,553.30

Finding the Fourth Proportional to 2,728.26, 4,088.73 and 2,553.30

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Solution

The fourth proportional to 2,728.26, 4,088.73 and 2,553.30 is: 3,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.26 : 4,088.73 = 2,553.30 : x
  2. Step 2: Convert to fraction form
    2,728.26/4,088.73 = 2,553.30/x
  3. Step 3: Cross multiply
    2,728.26x = 4,088.73 × 2,553.30
  4. Step 4: Simplify right side
    2,728.26x = 10,439,754.31
  5. Step 5: Solve for x
    x = 10,439,754.31/2,728.26
  6. Step 6: Final answer
    x = 3,826.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.