Home / 1,831.44-2,528.60-1,168.60

Finding the Fourth Proportional to 1,831.44, 2,528.60 and 1,168.60

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Solution

The fourth proportional to 1,831.44, 2,528.60 and 1,168.60 is: 1,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.44 : 2,528.60 = 1,168.60 : x
  2. Step 2: Convert to fraction form
    1,831.44/2,528.60 = 1,168.60/x
  3. Step 3: Cross multiply
    1,831.44x = 2,528.60 × 1,168.60
  4. Step 4: Simplify right side
    1,831.44x = 2,954,921.96
  5. Step 5: Solve for x
    x = 2,954,921.96/1,831.44
  6. Step 6: Final answer
    x = 1,613.44

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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.