Home / 2,025.09-2,793.91-1,553.13

Finding the Fourth Proportional to 2,025.09, 2,793.91 and 1,553.13

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Solution

The fourth proportional to 2,025.09, 2,793.91 and 1,553.13 is: 2,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.09 : 2,793.91 = 1,553.13 : x
  2. Step 2: Convert to fraction form
    2,025.09/2,793.91 = 1,553.13/x
  3. Step 3: Cross multiply
    2,025.09x = 2,793.91 × 1,553.13
  4. Step 4: Simplify right side
    2,025.09x = 4,339,305.44
  5. Step 5: Solve for x
    x = 4,339,305.44/2,025.09
  6. Step 6: Final answer
    x = 2,142.77

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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.