Home / 3,222.20-4,831.95-1,030.34

Finding the Fourth Proportional to 3,222.20, 4,831.95 and 1,030.34

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Solution

The fourth proportional to 3,222.20, 4,831.95 and 1,030.34 is: 1,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.20 : 4,831.95 = 1,030.34 : x
  2. Step 2: Convert to fraction form
    3,222.20/4,831.95 = 1,030.34/x
  3. Step 3: Cross multiply
    3,222.20x = 4,831.95 × 1,030.34
  4. Step 4: Simplify right side
    3,222.20x = 4,978,551.36
  5. Step 5: Solve for x
    x = 4,978,551.36/3,222.20
  6. Step 6: Final answer
    x = 1,545.08

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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.