Home / 3,220.87-4,831.07-1,029.01

Finding the Fourth Proportional to 3,220.87, 4,831.07 and 1,029.01

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Solution

The fourth proportional to 3,220.87, 4,831.07 and 1,029.01 is: 1,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.87 : 4,831.07 = 1,029.01 : x
  2. Step 2: Convert to fraction form
    3,220.87/4,831.07 = 1,029.01/x
  3. Step 3: Cross multiply
    3,220.87x = 4,831.07 × 1,029.01
  4. Step 4: Simplify right side
    3,220.87x = 4,971,202.12
  5. Step 5: Solve for x
    x = 4,971,202.12/3,220.87
  6. Step 6: Final answer
    x = 1,543.44

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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.