Home / 3,287.07-4,536.17-2,108.15

Finding the Fourth Proportional to 3,287.07, 4,536.17 and 2,108.15

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Solution

The fourth proportional to 3,287.07, 4,536.17 and 2,108.15 is: 2,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.07 : 4,536.17 = 2,108.15 : x
  2. Step 2: Convert to fraction form
    3,287.07/4,536.17 = 2,108.15/x
  3. Step 3: Cross multiply
    3,287.07x = 4,536.17 × 2,108.15
  4. Step 4: Simplify right side
    3,287.07x = 9,562,893.56
  5. Step 5: Solve for x
    x = 9,562,893.56/3,287.07
  6. Step 6: Final answer
    x = 2,909.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.