Home / 3,316.80-4,942.68-3,025.20

Finding the Fourth Proportional to 3,316.80, 4,942.68 and 3,025.20

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Solution

The fourth proportional to 3,316.80, 4,942.68 and 3,025.20 is: 4,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.80 : 4,942.68 = 3,025.20 : x
  2. Step 2: Convert to fraction form
    3,316.80/4,942.68 = 3,025.20/x
  3. Step 3: Cross multiply
    3,316.80x = 4,942.68 × 3,025.20
  4. Step 4: Simplify right side
    3,316.80x = 14,952,595.54
  5. Step 5: Solve for x
    x = 14,952,595.54/3,316.80
  6. Step 6: Final answer
    x = 4,508.14

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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.