Home / 3,287.22-4,536.76-1,871.12

Finding the Fourth Proportional to 3,287.22, 4,536.76 and 1,871.12

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Solution

The fourth proportional to 3,287.22, 4,536.76 and 1,871.12 is: 2,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.22 : 4,536.76 = 1,871.12 : x
  2. Step 2: Convert to fraction form
    3,287.22/4,536.76 = 1,871.12/x
  3. Step 3: Cross multiply
    3,287.22x = 4,536.76 × 1,871.12
  4. Step 4: Simplify right side
    3,287.22x = 8,488,822.37
  5. Step 5: Solve for x
    x = 8,488,822.37/3,287.22
  6. Step 6: Final answer
    x = 2,582.37

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1.5x scale

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.