Home / 2,389.58-3,297.63-1,327.36

Finding the Fourth Proportional to 2,389.58, 3,297.63 and 1,327.36

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Solution

The fourth proportional to 2,389.58, 3,297.63 and 1,327.36 is: 1,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.58 : 3,297.63 = 1,327.36 : x
  2. Step 2: Convert to fraction form
    2,389.58/3,297.63 = 1,327.36/x
  3. Step 3: Cross multiply
    2,389.58x = 3,297.63 × 1,327.36
  4. Step 4: Simplify right side
    2,389.58x = 4,377,119.03
  5. Step 5: Solve for x
    x = 4,377,119.03/2,389.58
  6. Step 6: Final answer
    x = 1,831.76

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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.