Home / 3,215.37-4,822.92-1,135.39

Finding the Fourth Proportional to 3,215.37, 4,822.92 and 1,135.39

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Solution

The fourth proportional to 3,215.37, 4,822.92 and 1,135.39 is: 1,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.37 : 4,822.92 = 1,135.39 : x
  2. Step 2: Convert to fraction form
    3,215.37/4,822.92 = 1,135.39/x
  3. Step 3: Cross multiply
    3,215.37x = 4,822.92 × 1,135.39
  4. Step 4: Simplify right side
    3,215.37x = 5,475,902.50
  5. Step 5: Solve for x
    x = 5,475,902.50/3,215.37
  6. Step 6: Final answer
    x = 1,703.04

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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.