Home / 3,831.54-5,284.89-2,710.50

Finding the Fourth Proportional to 3,831.54, 5,284.89 and 2,710.50

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Solution

The fourth proportional to 3,831.54, 5,284.89 and 2,710.50 is: 3,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.54 : 5,284.89 = 2,710.50 : x
  2. Step 2: Convert to fraction form
    3,831.54/5,284.89 = 2,710.50/x
  3. Step 3: Cross multiply
    3,831.54x = 5,284.89 × 2,710.50
  4. Step 4: Simplify right side
    3,831.54x = 14,324,694.35
  5. Step 5: Solve for x
    x = 14,324,694.35/3,831.54
  6. Step 6: Final answer
    x = 3,738.63

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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.