Home / 3,221.37-4,831.82-1,029.51

Finding the Fourth Proportional to 3,221.37, 4,831.82 and 1,029.51

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Solution

The fourth proportional to 3,221.37, 4,831.82 and 1,029.51 is: 1,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.37 : 4,831.82 = 1,029.51 : x
  2. Step 2: Convert to fraction form
    3,221.37/4,831.82 = 1,029.51/x
  3. Step 3: Cross multiply
    3,221.37x = 4,831.82 × 1,029.51
  4. Step 4: Simplify right side
    3,221.37x = 4,974,401.86
  5. Step 5: Solve for x
    x = 4,974,401.86/3,221.37
  6. Step 6: Final answer
    x = 1,544.19

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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.