Home / 3,895.15-5,376.45-2,716.60

Finding the Fourth Proportional to 3,895.15, 5,376.45 and 2,716.60

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Solution

The fourth proportional to 3,895.15, 5,376.45 and 2,716.60 is: 3,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.15 : 5,376.45 = 2,716.60 : x
  2. Step 2: Convert to fraction form
    3,895.15/5,376.45 = 2,716.60/x
  3. Step 3: Cross multiply
    3,895.15x = 5,376.45 × 2,716.60
  4. Step 4: Simplify right side
    3,895.15x = 14,605,660.82
  5. Step 5: Solve for x
    x = 14,605,660.82/3,895.15
  6. Step 6: Final answer
    x = 3,749.71

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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.