Home / 3,371.91-5,054.60-1,290.32

Finding the Fourth Proportional to 3,371.91, 5,054.60 and 1,290.32

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Solution

The fourth proportional to 3,371.91, 5,054.60 and 1,290.32 is: 1,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.91 : 5,054.60 = 1,290.32 : x
  2. Step 2: Convert to fraction form
    3,371.91/5,054.60 = 1,290.32/x
  3. Step 3: Cross multiply
    3,371.91x = 5,054.60 × 1,290.32
  4. Step 4: Simplify right side
    3,371.91x = 6,522,019.75
  5. Step 5: Solve for x
    x = 6,522,019.75/3,371.91
  6. Step 6: Final answer
    x = 1,934.22

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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.