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Finding the Fourth Proportional to 2,571.15, 3,854.39 and 927.33

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Solution

The fourth proportional to 2,571.15, 3,854.39 and 927.33 is: 1,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.15 : 3,854.39 = 927.33 : x
  2. Step 2: Convert to fraction form
    2,571.15/3,854.39 = 927.33/x
  3. Step 3: Cross multiply
    2,571.15x = 3,854.39 × 927.33
  4. Step 4: Simplify right side
    2,571.15x = 3,574,286.84
  5. Step 5: Solve for x
    x = 3,574,286.84/2,571.15
  6. Step 6: Final answer
    x = 1,390.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.