Home / 3,838.39-5,296.79-2,266.18

Finding the Fourth Proportional to 3,838.39, 5,296.79 and 2,266.18

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Solution

The fourth proportional to 3,838.39, 5,296.79 and 2,266.18 is: 3,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.39 : 5,296.79 = 2,266.18 : x
  2. Step 2: Convert to fraction form
    3,838.39/5,296.79 = 2,266.18/x
  3. Step 3: Cross multiply
    3,838.39x = 5,296.79 × 2,266.18
  4. Step 4: Simplify right side
    3,838.39x = 12,003,468.23
  5. Step 5: Solve for x
    x = 12,003,468.23/3,838.39
  6. Step 6: Final answer
    x = 3,127.21

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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.