Home / 3,702.02-5,108.40-2,209.73

Finding the Fourth Proportional to 3,702.02, 5,108.40 and 2,209.73

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Solution

The fourth proportional to 3,702.02, 5,108.40 and 2,209.73 is: 3,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.02 : 5,108.40 = 2,209.73 : x
  2. Step 2: Convert to fraction form
    3,702.02/5,108.40 = 2,209.73/x
  3. Step 3: Cross multiply
    3,702.02x = 5,108.40 × 2,209.73
  4. Step 4: Simplify right side
    3,702.02x = 11,288,159.19
  5. Step 5: Solve for x
    x = 11,288,159.19/3,702.02
  6. Step 6: Final answer
    x = 3,049.19

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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.