Home / 1,831.54-2,527.86-1,168.60

Finding the Fourth Proportional to 1,831.54, 2,527.86 and 1,168.60

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Solution

The fourth proportional to 1,831.54, 2,527.86 and 1,168.60 is: 1,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.54 : 2,527.86 = 1,168.60 : x
  2. Step 2: Convert to fraction form
    1,831.54/2,527.86 = 1,168.60/x
  3. Step 3: Cross multiply
    1,831.54x = 2,527.86 × 1,168.60
  4. Step 4: Simplify right side
    1,831.54x = 2,954,057.20
  5. Step 5: Solve for x
    x = 2,954,057.20/1,831.54
  6. Step 6: Final answer
    x = 1,612.88

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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.