Home / 1,831.61-2,743.27-1,099.64

Finding the Fourth Proportional to 1,831.61, 2,743.27 and 1,099.64

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Solution

The fourth proportional to 1,831.61, 2,743.27 and 1,099.64 is: 1,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.61 : 2,743.27 = 1,099.64 : x
  2. Step 2: Convert to fraction form
    1,831.61/2,743.27 = 1,099.64/x
  3. Step 3: Cross multiply
    1,831.61x = 2,743.27 × 1,099.64
  4. Step 4: Simplify right side
    1,831.61x = 3,016,613.53
  5. Step 5: Solve for x
    x = 3,016,613.53/1,831.61
  6. Step 6: Final answer
    x = 1,646.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.