Home / 3,702.08-5,108.24-2,209.96

Finding the Fourth Proportional to 3,702.08, 5,108.24 and 2,209.96

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Solution

The fourth proportional to 3,702.08, 5,108.24 and 2,209.96 is: 3,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.08 : 5,108.24 = 2,209.96 : x
  2. Step 2: Convert to fraction form
    3,702.08/5,108.24 = 2,209.96/x
  3. Step 3: Cross multiply
    3,702.08x = 5,108.24 × 2,209.96
  4. Step 4: Simplify right side
    3,702.08x = 11,289,006.07
  5. Step 5: Solve for x
    x = 11,289,006.07/3,702.08
  6. Step 6: Final answer
    x = 3,049.37

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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.