Home / 3,886.92-5,364.07-2,374.73

Finding the Fourth Proportional to 3,886.92, 5,364.07 and 2,374.73

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Solution

The fourth proportional to 3,886.92, 5,364.07 and 2,374.73 is: 3,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.92 : 5,364.07 = 2,374.73 : x
  2. Step 2: Convert to fraction form
    3,886.92/5,364.07 = 2,374.73/x
  3. Step 3: Cross multiply
    3,886.92x = 5,364.07 × 2,374.73
  4. Step 4: Simplify right side
    3,886.92x = 12,738,217.79
  5. Step 5: Solve for x
    x = 12,738,217.79/3,886.92
  6. Step 6: Final answer
    x = 3,277.20

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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.