Home / 3,023.20-4,529.84-1,866.56

Finding the Fourth Proportional to 3,023.20, 4,529.84 and 1,866.56

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Solution

The fourth proportional to 3,023.20, 4,529.84 and 1,866.56 is: 2,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.20 : 4,529.84 = 1,866.56 : x
  2. Step 2: Convert to fraction form
    3,023.20/4,529.84 = 1,866.56/x
  3. Step 3: Cross multiply
    3,023.20x = 4,529.84 × 1,866.56
  4. Step 4: Simplify right side
    3,023.20x = 8,455,218.15
  5. Step 5: Solve for x
    x = 8,455,218.15/3,023.20
  6. Step 6: Final answer
    x = 2,796.78

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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.