Home / 1,161.11-1,741.83-339.26

Finding the Fourth Proportional to 1,161.11, 1,741.83 and 339.26

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Solution

The fourth proportional to 1,161.11, 1,741.83 and 339.26 is: 508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.11 : 1,741.83 = 339.26 : x
  2. Step 2: Convert to fraction form
    1,161.11/1,741.83 = 339.26/x
  3. Step 3: Cross multiply
    1,161.11x = 1,741.83 × 339.26
  4. Step 4: Simplify right side
    1,161.11x = 590,938.92
  5. Step 5: Solve for x
    x = 590,938.92/1,161.11
  6. Step 6: Final answer
    x = 508.94

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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.