Home / 3,313.12-4,977.36-2,867.68

Finding the Fourth Proportional to 3,313.12, 4,977.36 and 2,867.68

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Solution

The fourth proportional to 3,313.12, 4,977.36 and 2,867.68 is: 4,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.12 : 4,977.36 = 2,867.68 : x
  2. Step 2: Convert to fraction form
    3,313.12/4,977.36 = 2,867.68/x
  3. Step 3: Cross multiply
    3,313.12x = 4,977.36 × 2,867.68
  4. Step 4: Simplify right side
    3,313.12x = 14,273,475.72
  5. Step 5: Solve for x
    x = 14,273,475.72/3,313.12
  6. Step 6: Final answer
    x = 4,308.17

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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.