Home / 3,633.80-5,013.83-2,309.18

Finding the Fourth Proportional to 3,633.80, 5,013.83 and 2,309.18

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Solution

The fourth proportional to 3,633.80, 5,013.83 and 2,309.18 is: 3,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.80 : 5,013.83 = 2,309.18 : x
  2. Step 2: Convert to fraction form
    3,633.80/5,013.83 = 2,309.18/x
  3. Step 3: Cross multiply
    3,633.80x = 5,013.83 × 2,309.18
  4. Step 4: Simplify right side
    3,633.80x = 11,577,816.66
  5. Step 5: Solve for x
    x = 11,577,816.66/3,633.80
  6. Step 6: Final answer
    x = 3,186.15

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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.