Home / 3,135.01-4,326.31-1,876.12

Finding the Fourth Proportional to 3,135.01, 4,326.31 and 1,876.12

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Solution

The fourth proportional to 3,135.01, 4,326.31 and 1,876.12 is: 2,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.01 : 4,326.31 = 1,876.12 : x
  2. Step 2: Convert to fraction form
    3,135.01/4,326.31 = 1,876.12/x
  3. Step 3: Cross multiply
    3,135.01x = 4,326.31 × 1,876.12
  4. Step 4: Simplify right side
    3,135.01x = 8,116,676.72
  5. Step 5: Solve for x
    x = 8,116,676.72/3,135.01
  6. Step 6: Final answer
    x = 2,589.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.