Home / 3,321.24-4,977.86-1,470.26

Finding the Fourth Proportional to 3,321.24, 4,977.86 and 1,470.26

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Solution

The fourth proportional to 3,321.24, 4,977.86 and 1,470.26 is: 2,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.24 : 4,977.86 = 1,470.26 : x
  2. Step 2: Convert to fraction form
    3,321.24/4,977.86 = 1,470.26/x
  3. Step 3: Cross multiply
    3,321.24x = 4,977.86 × 1,470.26
  4. Step 4: Simplify right side
    3,321.24x = 7,318,716.20
  5. Step 5: Solve for x
    x = 7,318,716.20/3,321.24
  6. Step 6: Final answer
    x = 2,203.61

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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.