Home / 3,371.36-5,054.20-1,290.24

Finding the Fourth Proportional to 3,371.36, 5,054.20 and 1,290.24

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Solution

The fourth proportional to 3,371.36, 5,054.20 and 1,290.24 is: 1,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.36 : 5,054.20 = 1,290.24 : x
  2. Step 2: Convert to fraction form
    3,371.36/5,054.20 = 1,290.24/x
  3. Step 3: Cross multiply
    3,371.36x = 5,054.20 × 1,290.24
  4. Step 4: Simplify right side
    3,371.36x = 6,521,131.01
  5. Step 5: Solve for x
    x = 6,521,131.01/3,371.36
  6. Step 6: Final answer
    x = 1,934.27

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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.