Home / 3,886.60-5,363.26-2,314.39

Finding the Fourth Proportional to 3,886.60, 5,363.26 and 2,314.39

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Solution

The fourth proportional to 3,886.60, 5,363.26 and 2,314.39 is: 3,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.60 : 5,363.26 = 2,314.39 : x
  2. Step 2: Convert to fraction form
    3,886.60/5,363.26 = 2,314.39/x
  3. Step 3: Cross multiply
    3,886.60x = 5,363.26 × 2,314.39
  4. Step 4: Simplify right side
    3,886.60x = 12,412,675.31
  5. Step 5: Solve for x
    x = 12,412,675.31/3,886.60
  6. Step 6: Final answer
    x = 3,193.71

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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.