Home / 3,218.24-4,827.34-2,114.62

Finding the Fourth Proportional to 3,218.24, 4,827.34 and 2,114.62

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Solution

The fourth proportional to 3,218.24, 4,827.34 and 2,114.62 is: 3,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.24 : 4,827.34 = 2,114.62 : x
  2. Step 2: Convert to fraction form
    3,218.24/4,827.34 = 2,114.62/x
  3. Step 3: Cross multiply
    3,218.24x = 4,827.34 × 2,114.62
  4. Step 4: Simplify right side
    3,218.24x = 10,207,980.29
  5. Step 5: Solve for x
    x = 10,207,980.29/3,218.24
  6. Step 6: Final answer
    x = 3,171.91

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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.