Home / 3,293.20-4,927.80-2,429.20

Finding the Fourth Proportional to 3,293.20, 4,927.80 and 2,429.20

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Solution

The fourth proportional to 3,293.20, 4,927.80 and 2,429.20 is: 3,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.20 : 4,927.80 = 2,429.20 : x
  2. Step 2: Convert to fraction form
    3,293.20/4,927.80 = 2,429.20/x
  3. Step 3: Cross multiply
    3,293.20x = 4,927.80 × 2,429.20
  4. Step 4: Simplify right side
    3,293.20x = 11,970,611.76
  5. Step 5: Solve for x
    x = 11,970,611.76/3,293.20
  6. Step 6: Final answer
    x = 3,634.95

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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.