Home / 3,135.09-4,701.26-943.31

Finding the Fourth Proportional to 3,135.09, 4,701.26 and 943.31

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Solution

The fourth proportional to 3,135.09, 4,701.26 and 943.31 is: 1,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.09 : 4,701.26 = 943.31 : x
  2. Step 2: Convert to fraction form
    3,135.09/4,701.26 = 943.31/x
  3. Step 3: Cross multiply
    3,135.09x = 4,701.26 × 943.31
  4. Step 4: Simplify right side
    3,135.09x = 4,434,717.35
  5. Step 5: Solve for x
    x = 4,434,717.35/3,135.09
  6. Step 6: Final answer
    x = 1,414.54

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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.