Home / 3,500.91-4,831.20-1,928.97

Finding the Fourth Proportional to 3,500.91, 4,831.20 and 1,928.97

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Solution

The fourth proportional to 3,500.91, 4,831.20 and 1,928.97 is: 2,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.91 : 4,831.20 = 1,928.97 : x
  2. Step 2: Convert to fraction form
    3,500.91/4,831.20 = 1,928.97/x
  3. Step 3: Cross multiply
    3,500.91x = 4,831.20 × 1,928.97
  4. Step 4: Simplify right side
    3,500.91x = 9,319,239.86
  5. Step 5: Solve for x
    x = 9,319,239.86/3,500.91
  6. Step 6: Final answer
    x = 2,661.95

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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.