Home / 2,750.15-3,794.75-1,571.30

Finding the Fourth Proportional to 2,750.15, 3,794.75 and 1,571.30

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Solution

The fourth proportional to 2,750.15, 3,794.75 and 1,571.30 is: 2,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.15 : 3,794.75 = 1,571.30 : x
  2. Step 2: Convert to fraction form
    2,750.15/3,794.75 = 1,571.30/x
  3. Step 3: Cross multiply
    2,750.15x = 3,794.75 × 1,571.30
  4. Step 4: Simplify right side
    2,750.15x = 5,962,683.97
  5. Step 5: Solve for x
    x = 5,962,683.97/2,750.15
  6. Step 6: Final answer
    x = 2,168.13

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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.