Home / 3,607.07-5,398.38-2,221.29

Finding the Fourth Proportional to 3,607.07, 5,398.38 and 2,221.29

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Solution

The fourth proportional to 3,607.07, 5,398.38 and 2,221.29 is: 3,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.07 : 5,398.38 = 2,221.29 : x
  2. Step 2: Convert to fraction form
    3,607.07/5,398.38 = 2,221.29/x
  3. Step 3: Cross multiply
    3,607.07x = 5,398.38 × 2,221.29
  4. Step 4: Simplify right side
    3,607.07x = 11,991,367.51
  5. Step 5: Solve for x
    x = 11,991,367.51/3,607.07
  6. Step 6: Final answer
    x = 3,324.41

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1.5x scale

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.