Home / 2,227.08-3,339.24-1,643.49

Finding the Fourth Proportional to 2,227.08, 3,339.24 and 1,643.49

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Solution

The fourth proportional to 2,227.08, 3,339.24 and 1,643.49 is: 2,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.08 : 3,339.24 = 1,643.49 : x
  2. Step 2: Convert to fraction form
    2,227.08/3,339.24 = 1,643.49/x
  3. Step 3: Cross multiply
    2,227.08x = 3,339.24 × 1,643.49
  4. Step 4: Simplify right side
    2,227.08x = 5,488,007.55
  5. Step 5: Solve for x
    x = 5,488,007.55/2,227.08
  6. Step 6: Final answer
    x = 2,464.22

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1.5x scale

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.