Home / 3,287.36-4,536.61-1,871.28

Finding the Fourth Proportional to 3,287.36, 4,536.61 and 1,871.28

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Solution

The fourth proportional to 3,287.36, 4,536.61 and 1,871.28 is: 2,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.36 : 4,536.61 = 1,871.28 : x
  2. Step 2: Convert to fraction form
    3,287.36/4,536.61 = 1,871.28/x
  3. Step 3: Cross multiply
    3,287.36x = 4,536.61 × 1,871.28
  4. Step 4: Simplify right side
    3,287.36x = 8,489,262.88
  5. Step 5: Solve for x
    x = 8,489,262.88/3,287.36
  6. Step 6: Final answer
    x = 2,582.39

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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.