Home / 1,324.26-1,831.86-1,169.10

Finding the Fourth Proportional to 1,324.26, 1,831.86 and 1,169.10

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Solution

The fourth proportional to 1,324.26, 1,831.86 and 1,169.10 is: 1,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.26 : 1,831.86 = 1,169.10 : x
  2. Step 2: Convert to fraction form
    1,324.26/1,831.86 = 1,169.10/x
  3. Step 3: Cross multiply
    1,324.26x = 1,831.86 × 1,169.10
  4. Step 4: Simplify right side
    1,324.26x = 2,141,627.53
  5. Step 5: Solve for x
    x = 2,141,627.53/1,324.26
  6. Step 6: Final answer
    x = 1,617.23

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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.