Home / 2,749.85-3,794.45-1,571.00

Finding the Fourth Proportional to 2,749.85, 3,794.45 and 1,571.00

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Solution

The fourth proportional to 2,749.85, 3,794.45 and 1,571.00 is: 2,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.85 : 3,794.45 = 1,571.00 : x
  2. Step 2: Convert to fraction form
    2,749.85/3,794.45 = 1,571.00/x
  3. Step 3: Cross multiply
    2,749.85x = 3,794.45 × 1,571.00
  4. Step 4: Simplify right side
    2,749.85x = 5,961,054.12
  5. Step 5: Solve for x
    x = 5,961,054.12/2,749.85
  6. Step 6: Final answer
    x = 2,167.78

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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.