Home / 3,214.08-4,815.40-2,238.28

Finding the Fourth Proportional to 3,214.08, 4,815.40 and 2,238.28

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Solution

The fourth proportional to 3,214.08, 4,815.40 and 2,238.28 is: 3,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.08 : 4,815.40 = 2,238.28 : x
  2. Step 2: Convert to fraction form
    3,214.08/4,815.40 = 2,238.28/x
  3. Step 3: Cross multiply
    3,214.08x = 4,815.40 × 2,238.28
  4. Step 4: Simplify right side
    3,214.08x = 10,778,213.51
  5. Step 5: Solve for x
    x = 10,778,213.51/3,214.08
  6. Step 6: Final answer
    x = 3,353.44

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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.