Home / 3,479.16-5,218.96-1,531.34

Finding the Fourth Proportional to 3,479.16, 5,218.96 and 1,531.34

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Solution

The fourth proportional to 3,479.16, 5,218.96 and 1,531.34 is: 2,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.16 : 5,218.96 = 1,531.34 : x
  2. Step 2: Convert to fraction form
    3,479.16/5,218.96 = 1,531.34/x
  3. Step 3: Cross multiply
    3,479.16x = 5,218.96 × 1,531.34
  4. Step 4: Simplify right side
    3,479.16x = 7,992,002.21
  5. Step 5: Solve for x
    x = 7,992,002.21/3,479.16
  6. Step 6: Final answer
    x = 2,297.11

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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.