Home / 3,838.12-5,296.50-2,182.12

Finding the Fourth Proportional to 3,838.12, 5,296.50 and 2,182.12

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Solution

The fourth proportional to 3,838.12, 5,296.50 and 2,182.12 is: 3,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.12 : 5,296.50 = 2,182.12 : x
  2. Step 2: Convert to fraction form
    3,838.12/5,296.50 = 2,182.12/x
  3. Step 3: Cross multiply
    3,838.12x = 5,296.50 × 2,182.12
  4. Step 4: Simplify right side
    3,838.12x = 11,557,598.58
  5. Step 5: Solve for x
    x = 11,557,598.58/3,838.12
  6. Step 6: Final answer
    x = 3,011.27

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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.