Home / 3,619.44-5,422.14-2,054.71

Finding the Fourth Proportional to 3,619.44, 5,422.14 and 2,054.71

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Solution

The fourth proportional to 3,619.44, 5,422.14 and 2,054.71 is: 3,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.44 : 5,422.14 = 2,054.71 : x
  2. Step 2: Convert to fraction form
    3,619.44/5,422.14 = 2,054.71/x
  3. Step 3: Cross multiply
    3,619.44x = 5,422.14 × 2,054.71
  4. Step 4: Simplify right side
    3,619.44x = 11,140,925.28
  5. Step 5: Solve for x
    x = 11,140,925.28/3,619.44
  6. Step 6: Final answer
    x = 3,078.08

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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.