Home / 2,553.27-3,520.67-1,607.90

Finding the Fourth Proportional to 2,553.27, 3,520.67 and 1,607.90

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Solution

The fourth proportional to 2,553.27, 3,520.67 and 1,607.90 is: 2,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.27 : 3,520.67 = 1,607.90 : x
  2. Step 2: Convert to fraction form
    2,553.27/3,520.67 = 1,607.90/x
  3. Step 3: Cross multiply
    2,553.27x = 3,520.67 × 1,607.90
  4. Step 4: Simplify right side
    2,553.27x = 5,660,879.45
  5. Step 5: Solve for x
    x = 5,660,879.45/2,553.27
  6. Step 6: Final answer
    x = 2,217.11

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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.