Home / 2,389.22-3,297.01-1,327.05

Finding the Fourth Proportional to 2,389.22, 3,297.01 and 1,327.05

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Solution

The fourth proportional to 2,389.22, 3,297.01 and 1,327.05 is: 1,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.22 : 3,297.01 = 1,327.05 : x
  2. Step 2: Convert to fraction form
    2,389.22/3,297.01 = 1,327.05/x
  3. Step 3: Cross multiply
    2,389.22x = 3,297.01 × 1,327.05
  4. Step 4: Simplify right side
    2,389.22x = 4,375,291.63
  5. Step 5: Solve for x
    x = 4,375,291.63/2,389.22
  6. Step 6: Final answer
    x = 1,831.27

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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.