Home / 3,263.56-4,891.52-1,621.14

Finding the Fourth Proportional to 3,263.56, 4,891.52 and 1,621.14

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Solution

The fourth proportional to 3,263.56, 4,891.52 and 1,621.14 is: 2,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.56 : 4,891.52 = 1,621.14 : x
  2. Step 2: Convert to fraction form
    3,263.56/4,891.52 = 1,621.14/x
  3. Step 3: Cross multiply
    3,263.56x = 4,891.52 × 1,621.14
  4. Step 4: Simplify right side
    3,263.56x = 7,929,838.73
  5. Step 5: Solve for x
    x = 7,929,838.73/3,263.56
  6. Step 6: Final answer
    x = 2,429.81

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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.