Home / 3,886.60-5,363.50-2,207.93

Finding the Fourth Proportional to 3,886.60, 5,363.50 and 2,207.93

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Solution

The fourth proportional to 3,886.60, 5,363.50 and 2,207.93 is: 3,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.60 : 5,363.50 = 2,207.93 : x
  2. Step 2: Convert to fraction form
    3,886.60/5,363.50 = 2,207.93/x
  3. Step 3: Cross multiply
    3,886.60x = 5,363.50 × 2,207.93
  4. Step 4: Simplify right side
    3,886.60x = 11,842,232.56
  5. Step 5: Solve for x
    x = 11,842,232.56/3,886.60
  6. Step 6: Final answer
    x = 3,046.94

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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.