Home / 3,636.82-5,020.95-2,311.66

Finding the Fourth Proportional to 3,636.82, 5,020.95 and 2,311.66

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Solution

The fourth proportional to 3,636.82, 5,020.95 and 2,311.66 is: 3,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.82 : 5,020.95 = 2,311.66 : x
  2. Step 2: Convert to fraction form
    3,636.82/5,020.95 = 2,311.66/x
  3. Step 3: Cross multiply
    3,636.82x = 5,020.95 × 2,311.66
  4. Step 4: Simplify right side
    3,636.82x = 11,606,729.28
  5. Step 5: Solve for x
    x = 11,606,729.28/3,636.82
  6. Step 6: Final answer
    x = 3,191.45

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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.