Home / 2,389.07-3,297.12-1,327.04

Finding the Fourth Proportional to 2,389.07, 3,297.12 and 1,327.04

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Solution

The fourth proportional to 2,389.07, 3,297.12 and 1,327.04 is: 1,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.07 : 3,297.12 = 1,327.04 : x
  2. Step 2: Convert to fraction form
    2,389.07/3,297.12 = 1,327.04/x
  3. Step 3: Cross multiply
    2,389.07x = 3,297.12 × 1,327.04
  4. Step 4: Simplify right side
    2,389.07x = 4,375,410.98
  5. Step 5: Solve for x
    x = 4,375,410.98/2,389.07
  6. Step 6: Final answer
    x = 1,831.43

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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.