Home / 3,220.32-4,801.64-3,162

Finding the Fourth Proportional to 3,220.32, 4,801.64 and 3,162

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Solution

The fourth proportional to 3,220.32, 4,801.64 and 3,162 is: 4,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.32 : 4,801.64 = 3,162 : x
  2. Step 2: Convert to fraction form
    3,220.32/4,801.64 = 3,162/x
  3. Step 3: Cross multiply
    3,220.32x = 4,801.64 × 3,162
  4. Step 4: Simplify right side
    3,220.32x = 15,182,769.87
  5. Step 5: Solve for x
    x = 15,182,769.87/3,220.32
  6. Step 6: Final answer
    x = 4,714.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.