Home / 3,886.34-5,362.98-2,207.75

Finding the Fourth Proportional to 3,886.34, 5,362.98 and 2,207.75

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Solution

The fourth proportional to 3,886.34, 5,362.98 and 2,207.75 is: 3,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.34 : 5,362.98 = 2,207.75 : x
  2. Step 2: Convert to fraction form
    3,886.34/5,362.98 = 2,207.75/x
  3. Step 3: Cross multiply
    3,886.34x = 5,362.98 × 2,207.75
  4. Step 4: Simplify right side
    3,886.34x = 11,840,097.80
  5. Step 5: Solve for x
    x = 11,840,097.80/3,886.34
  6. Step 6: Final answer
    x = 3,046.59

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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.