Home / 3,216.26-4,831.78-2,281.51

Finding the Fourth Proportional to 3,216.26, 4,831.78 and 2,281.51

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Solution

The fourth proportional to 3,216.26, 4,831.78 and 2,281.51 is: 3,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.26 : 4,831.78 = 2,281.51 : x
  2. Step 2: Convert to fraction form
    3,216.26/4,831.78 = 2,281.51/x
  3. Step 3: Cross multiply
    3,216.26x = 4,831.78 × 2,281.51
  4. Step 4: Simplify right side
    3,216.26x = 11,023,736.60
  5. Step 5: Solve for x
    x = 11,023,736.60/3,216.26
  6. Step 6: Final answer
    x = 3,427.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.