Home / 4,206.88-5,805.08-2,439.12

Finding the Fourth Proportional to 4,206.88, 5,805.08 and 2,439.12

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Solution

The fourth proportional to 4,206.88, 5,805.08 and 2,439.12 is: 3,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.88 : 5,805.08 = 2,439.12 : x
  2. Step 2: Convert to fraction form
    4,206.88/5,805.08 = 2,439.12/x
  3. Step 3: Cross multiply
    4,206.88x = 5,805.08 × 2,439.12
  4. Step 4: Simplify right side
    4,206.88x = 14,159,286.73
  5. Step 5: Solve for x
    x = 14,159,286.73/4,206.88
  6. Step 6: Final answer
    x = 3,365.75

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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.