Home / 3,221.07-4,831.51-1,029.93

Finding the Fourth Proportional to 3,221.07, 4,831.51 and 1,029.93

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Solution

The fourth proportional to 3,221.07, 4,831.51 and 1,029.93 is: 1,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.07 : 4,831.51 = 1,029.93 : x
  2. Step 2: Convert to fraction form
    3,221.07/4,831.51 = 1,029.93/x
  3. Step 3: Cross multiply
    3,221.07x = 4,831.51 × 1,029.93
  4. Step 4: Simplify right side
    3,221.07x = 4,976,117.09
  5. Step 5: Solve for x
    x = 4,976,117.09/3,221.07
  6. Step 6: Final answer
    x = 1,544.86

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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.