Home / 2,619.08-3,925.26-1,229.34

Finding the Fourth Proportional to 2,619.08, 3,925.26 and 1,229.34

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Solution

The fourth proportional to 2,619.08, 3,925.26 and 1,229.34 is: 1,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.08 : 3,925.26 = 1,229.34 : x
  2. Step 2: Convert to fraction form
    2,619.08/3,925.26 = 1,229.34/x
  3. Step 3: Cross multiply
    2,619.08x = 3,925.26 × 1,229.34
  4. Step 4: Simplify right side
    2,619.08x = 4,825,479.13
  5. Step 5: Solve for x
    x = 4,825,479.13/2,619.08
  6. Step 6: Final answer
    x = 1,842.44

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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.