Home / 3,221.18-4,831.69-1,030.06

Finding the Fourth Proportional to 3,221.18, 4,831.69 and 1,030.06

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Solution

The fourth proportional to 3,221.18, 4,831.69 and 1,030.06 is: 1,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.18 : 4,831.69 = 1,030.06 : x
  2. Step 2: Convert to fraction form
    3,221.18/4,831.69 = 1,030.06/x
  3. Step 3: Cross multiply
    3,221.18x = 4,831.69 × 1,030.06
  4. Step 4: Simplify right side
    3,221.18x = 4,976,930.60
  5. Step 5: Solve for x
    x = 4,976,930.60/3,221.18
  6. Step 6: Final answer
    x = 1,545.06

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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.