Home / 3,263.55-4,891.53-1,621.14

Finding the Fourth Proportional to 3,263.55, 4,891.53 and 1,621.14

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Solution

The fourth proportional to 3,263.55, 4,891.53 and 1,621.14 is: 2,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.55 : 4,891.53 = 1,621.14 : x
  2. Step 2: Convert to fraction form
    3,263.55/4,891.53 = 1,621.14/x
  3. Step 3: Cross multiply
    3,263.55x = 4,891.53 × 1,621.14
  4. Step 4: Simplify right side
    3,263.55x = 7,929,854.94
  5. Step 5: Solve for x
    x = 7,929,854.94/3,263.55
  6. Step 6: Final answer
    x = 2,429.82

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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.