Home / 3,839.08-5,298.46-2,246.20

Finding the Fourth Proportional to 3,839.08, 5,298.46 and 2,246.20

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Solution

The fourth proportional to 3,839.08, 5,298.46 and 2,246.20 is: 3,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.08 : 5,298.46 = 2,246.20 : x
  2. Step 2: Convert to fraction form
    3,839.08/5,298.46 = 2,246.20/x
  3. Step 3: Cross multiply
    3,839.08x = 5,298.46 × 2,246.20
  4. Step 4: Simplify right side
    3,839.08x = 11,901,400.85
  5. Step 5: Solve for x
    x = 11,901,400.85/3,839.08
  6. Step 6: Final answer
    x = 3,100.07

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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.