Home / 3,220.61-4,831.26-1,028.83

Finding the Fourth Proportional to 3,220.61, 4,831.26 and 1,028.83

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Solution

The fourth proportional to 3,220.61, 4,831.26 and 1,028.83 is: 1,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.61 : 4,831.26 = 1,028.83 : x
  2. Step 2: Convert to fraction form
    3,220.61/4,831.26 = 1,028.83/x
  3. Step 3: Cross multiply
    3,220.61x = 4,831.26 × 1,028.83
  4. Step 4: Simplify right side
    3,220.61x = 4,970,545.23
  5. Step 5: Solve for x
    x = 4,970,545.23/3,220.61
  6. Step 6: Final answer
    x = 1,543.36

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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.