Home / 3,187.15-4,775.25-2,571.14

Finding the Fourth Proportional to 3,187.15, 4,775.25 and 2,571.14

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Solution

The fourth proportional to 3,187.15, 4,775.25 and 2,571.14 is: 3,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.15 : 4,775.25 = 2,571.14 : x
  2. Step 2: Convert to fraction form
    3,187.15/4,775.25 = 2,571.14/x
  3. Step 3: Cross multiply
    3,187.15x = 4,775.25 × 2,571.14
  4. Step 4: Simplify right side
    3,187.15x = 12,277,857.86
  5. Step 5: Solve for x
    x = 12,277,857.86/3,187.15
  6. Step 6: Final answer
    x = 3,852.30

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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.