Home / 3,519.36-5,279.94-1,054.14

Finding the Fourth Proportional to 3,519.36, 5,279.94 and 1,054.14

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Solution

The fourth proportional to 3,519.36, 5,279.94 and 1,054.14 is: 1,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.36 : 5,279.94 = 1,054.14 : x
  2. Step 2: Convert to fraction form
    3,519.36/5,279.94 = 1,054.14/x
  3. Step 3: Cross multiply
    3,519.36x = 5,279.94 × 1,054.14
  4. Step 4: Simplify right side
    3,519.36x = 5,565,795.95
  5. Step 5: Solve for x
    x = 5,565,795.95/3,519.36
  6. Step 6: Final answer
    x = 1,581.48

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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.