Home / 3,489.21-5,232.47-1,297.44

Finding the Fourth Proportional to 3,489.21, 5,232.47 and 1,297.44

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Solution

The fourth proportional to 3,489.21, 5,232.47 and 1,297.44 is: 1,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.21 : 5,232.47 = 1,297.44 : x
  2. Step 2: Convert to fraction form
    3,489.21/5,232.47 = 1,297.44/x
  3. Step 3: Cross multiply
    3,489.21x = 5,232.47 × 1,297.44
  4. Step 4: Simplify right side
    3,489.21x = 6,788,809.39
  5. Step 5: Solve for x
    x = 6,788,809.39/3,489.21
  6. Step 6: Final answer
    x = 1,945.66

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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.