Home / 3,214.56-4,818.30-2,102.64

Finding the Fourth Proportional to 3,214.56, 4,818.30 and 2,102.64

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Solution

The fourth proportional to 3,214.56, 4,818.30 and 2,102.64 is: 3,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.56 : 4,818.30 = 2,102.64 : x
  2. Step 2: Convert to fraction form
    3,214.56/4,818.30 = 2,102.64/x
  3. Step 3: Cross multiply
    3,214.56x = 4,818.30 × 2,102.64
  4. Step 4: Simplify right side
    3,214.56x = 10,131,150.31
  5. Step 5: Solve for x
    x = 10,131,150.31/3,214.56
  6. Step 6: Final answer
    x = 3,151.64

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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.