Home / 3,318.12-4,977.30-1,468.92

Finding the Fourth Proportional to 3,318.12, 4,977.30 and 1,468.92

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Solution

The fourth proportional to 3,318.12, 4,977.30 and 1,468.92 is: 2,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.12 : 4,977.30 = 1,468.92 : x
  2. Step 2: Convert to fraction form
    3,318.12/4,977.30 = 1,468.92/x
  3. Step 3: Cross multiply
    3,318.12x = 4,977.30 × 1,468.92
  4. Step 4: Simplify right side
    3,318.12x = 7,311,255.52
  5. Step 5: Solve for x
    x = 7,311,255.52/3,318.12
  6. Step 6: Final answer
    x = 2,203.43

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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.