Home / 3,220.60-4,831.64-1,029.32

Finding the Fourth Proportional to 3,220.60, 4,831.64 and 1,029.32

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Solution

The fourth proportional to 3,220.60, 4,831.64 and 1,029.32 is: 1,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.60 : 4,831.64 = 1,029.32 : x
  2. Step 2: Convert to fraction form
    3,220.60/4,831.64 = 1,029.32/x
  3. Step 3: Cross multiply
    3,220.60x = 4,831.64 × 1,029.32
  4. Step 4: Simplify right side
    3,220.60x = 4,973,298.54
  5. Step 5: Solve for x
    x = 4,973,298.54/3,220.60
  6. Step 6: Final answer
    x = 1,544.22

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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.