Home / 2,389.44-3,297.38-1,327.26

Finding the Fourth Proportional to 2,389.44, 3,297.38 and 1,327.26

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Solution

The fourth proportional to 2,389.44, 3,297.38 and 1,327.26 is: 1,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.44 : 3,297.38 = 1,327.26 : x
  2. Step 2: Convert to fraction form
    2,389.44/3,297.38 = 1,327.26/x
  3. Step 3: Cross multiply
    2,389.44x = 3,297.38 × 1,327.26
  4. Step 4: Simplify right side
    2,389.44x = 4,376,480.58
  5. Step 5: Solve for x
    x = 4,376,480.58/2,389.44
  6. Step 6: Final answer
    x = 1,831.59

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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.