Home / 4,178.00-5,765.72-2,289.56

Finding the Fourth Proportional to 4,178.00, 5,765.72 and 2,289.56

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Solution

The fourth proportional to 4,178.00, 5,765.72 and 2,289.56 is: 3,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.00 : 5,765.72 = 2,289.56 : x
  2. Step 2: Convert to fraction form
    4,178.00/5,765.72 = 2,289.56/x
  3. Step 3: Cross multiply
    4,178.00x = 5,765.72 × 2,289.56
  4. Step 4: Simplify right side
    4,178.00x = 13,200,921.61
  5. Step 5: Solve for x
    x = 13,200,921.61/4,178.00
  6. Step 6: Final answer
    x = 3,159.63

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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.