Home / 2,389.48-3,297.64-1,327.30

Finding the Fourth Proportional to 2,389.48, 3,297.64 and 1,327.30

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Solution

The fourth proportional to 2,389.48, 3,297.64 and 1,327.30 is: 1,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.48 : 3,297.64 = 1,327.30 : x
  2. Step 2: Convert to fraction form
    2,389.48/3,297.64 = 1,327.30/x
  3. Step 3: Cross multiply
    2,389.48x = 3,297.64 × 1,327.30
  4. Step 4: Simplify right side
    2,389.48x = 4,376,957.57
  5. Step 5: Solve for x
    x = 4,376,957.57/2,389.48
  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.