Home / 3,220.83-4,831.20-2,575.62

Finding the Fourth Proportional to 3,220.83, 4,831.20 and 2,575.62

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Solution

The fourth proportional to 3,220.83, 4,831.20 and 2,575.62 is: 3,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.83 : 4,831.20 = 2,575.62 : x
  2. Step 2: Convert to fraction form
    3,220.83/4,831.20 = 2,575.62/x
  3. Step 3: Cross multiply
    3,220.83x = 4,831.20 × 2,575.62
  4. Step 4: Simplify right side
    3,220.83x = 12,443,335.34
  5. Step 5: Solve for x
    x = 12,443,335.34/3,220.83
  6. Step 6: Final answer
    x = 3,863.39

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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.