Home / 3,135.31-4,699.92-1,160.38

Finding the Fourth Proportional to 3,135.31, 4,699.92 and 1,160.38

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Solution

The fourth proportional to 3,135.31, 4,699.92 and 1,160.38 is: 1,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.31 : 4,699.92 = 1,160.38 : x
  2. Step 2: Convert to fraction form
    3,135.31/4,699.92 = 1,160.38/x
  3. Step 3: Cross multiply
    3,135.31x = 4,699.92 × 1,160.38
  4. Step 4: Simplify right side
    3,135.31x = 5,453,693.17
  5. Step 5: Solve for x
    x = 5,453,693.17/3,135.31
  6. Step 6: Final answer
    x = 1,739.44

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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.