Home / 3,212.10-4,816.35-1,362.90

Finding the Fourth Proportional to 3,212.10, 4,816.35 and 1,362.90

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Solution

The fourth proportional to 3,212.10, 4,816.35 and 1,362.90 is: 2,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.10 : 4,816.35 = 1,362.90 : x
  2. Step 2: Convert to fraction form
    3,212.10/4,816.35 = 1,362.90/x
  3. Step 3: Cross multiply
    3,212.10x = 4,816.35 × 1,362.90
  4. Step 4: Simplify right side
    3,212.10x = 6,564,203.42
  5. Step 5: Solve for x
    x = 6,564,203.42/3,212.10
  6. Step 6: Final answer
    x = 2,043.59

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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.