Home / 3,702.96-5,110.24-2,131.06

Finding the Fourth Proportional to 3,702.96, 5,110.24 and 2,131.06

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Solution

The fourth proportional to 3,702.96, 5,110.24 and 2,131.06 is: 2,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.96 : 5,110.24 = 2,131.06 : x
  2. Step 2: Convert to fraction form
    3,702.96/5,110.24 = 2,131.06/x
  3. Step 3: Cross multiply
    3,702.96x = 5,110.24 × 2,131.06
  4. Step 4: Simplify right side
    3,702.96x = 10,890,228.05
  5. Step 5: Solve for x
    x = 10,890,228.05/3,702.96
  6. Step 6: Final answer
    x = 2,940.95

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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.