Home / 3,220.50-4,831.47-1,168.50

Finding the Fourth Proportional to 3,220.50, 4,831.47 and 1,168.50

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Solution

The fourth proportional to 3,220.50, 4,831.47 and 1,168.50 is: 1,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.50 : 4,831.47 = 1,168.50 : x
  2. Step 2: Convert to fraction form
    3,220.50/4,831.47 = 1,168.50/x
  3. Step 3: Cross multiply
    3,220.50x = 4,831.47 × 1,168.50
  4. Step 4: Simplify right side
    3,220.50x = 5,645,572.70
  5. Step 5: Solve for x
    x = 5,645,572.70/3,220.50
  6. Step 6: Final answer
    x = 1,753.01

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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.