Home / 3,579.32-5,370.42-1,272.44

Finding the Fourth Proportional to 3,579.32, 5,370.42 and 1,272.44

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Solution

The fourth proportional to 3,579.32, 5,370.42 and 1,272.44 is: 1,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.32 : 5,370.42 = 1,272.44 : x
  2. Step 2: Convert to fraction form
    3,579.32/5,370.42 = 1,272.44/x
  3. Step 3: Cross multiply
    3,579.32x = 5,370.42 × 1,272.44
  4. Step 4: Simplify right side
    3,579.32x = 6,833,537.22
  5. Step 5: Solve for x
    x = 6,833,537.22/3,579.32
  6. Step 6: Final answer
    x = 1,909.17

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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.