Home / 3,221.22-4,831.82-1,030.11

Finding the Fourth Proportional to 3,221.22, 4,831.82 and 1,030.11

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Solution

The fourth proportional to 3,221.22, 4,831.82 and 1,030.11 is: 1,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.22 : 4,831.82 = 1,030.11 : x
  2. Step 2: Convert to fraction form
    3,221.22/4,831.82 = 1,030.11/x
  3. Step 3: Cross multiply
    3,221.22x = 4,831.82 × 1,030.11
  4. Step 4: Simplify right side
    3,221.22x = 4,977,300.95
  5. Step 5: Solve for x
    x = 4,977,300.95/3,221.22
  6. Step 6: Final answer
    x = 1,545.16

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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.