Home / 3,620.32-4,998.76-3,201.14

Finding the Fourth Proportional to 3,620.32, 4,998.76 and 3,201.14

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Solution

The fourth proportional to 3,620.32, 4,998.76 and 3,201.14 is: 4,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.32 : 4,998.76 = 3,201.14 : x
  2. Step 2: Convert to fraction form
    3,620.32/4,998.76 = 3,201.14/x
  3. Step 3: Cross multiply
    3,620.32x = 4,998.76 × 3,201.14
  4. Step 4: Simplify right side
    3,620.32x = 16,001,730.59
  5. Step 5: Solve for x
    x = 16,001,730.59/3,620.32
  6. Step 6: Final answer
    x = 4,419.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.