Home / 1,831.72-2,724.23-1,785.58

Finding the Fourth Proportional to 1,831.72, 2,724.23 and 1,785.58

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Solution

The fourth proportional to 1,831.72, 2,724.23 and 1,785.58 is: 2,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.72 : 2,724.23 = 1,785.58 : x
  2. Step 2: Convert to fraction form
    1,831.72/2,724.23 = 1,785.58/x
  3. Step 3: Cross multiply
    1,831.72x = 2,724.23 × 1,785.58
  4. Step 4: Simplify right side
    1,831.72x = 4,864,330.60
  5. Step 5: Solve for x
    x = 4,864,330.60/1,831.72
  6. Step 6: Final answer
    x = 2,655.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.