Home / 3,222.48-4,831.89-2,947.29

Finding the Fourth Proportional to 3,222.48, 4,831.89 and 2,947.29

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Solution

The fourth proportional to 3,222.48, 4,831.89 and 2,947.29 is: 4,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.48 : 4,831.89 = 2,947.29 : x
  2. Step 2: Convert to fraction form
    3,222.48/4,831.89 = 2,947.29/x
  3. Step 3: Cross multiply
    3,222.48x = 4,831.89 × 2,947.29
  4. Step 4: Simplify right side
    3,222.48x = 14,240,981.08
  5. Step 5: Solve for x
    x = 14,240,981.08/3,222.48
  6. Step 6: Final answer
    x = 4,419.26

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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.