Home / 3,320.20-4,980.03-2,502.64

Finding the Fourth Proportional to 3,320.20, 4,980.03 and 2,502.64

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Solution

The fourth proportional to 3,320.20, 4,980.03 and 2,502.64 is: 3,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.20 : 4,980.03 = 2,502.64 : x
  2. Step 2: Convert to fraction form
    3,320.20/4,980.03 = 2,502.64/x
  3. Step 3: Cross multiply
    3,320.20x = 4,980.03 × 2,502.64
  4. Step 4: Simplify right side
    3,320.20x = 12,463,222.28
  5. Step 5: Solve for x
    x = 12,463,222.28/3,320.20
  6. Step 6: Final answer
    x = 3,753.76

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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.