Home / 3,381.06-5,071.59-1,189.54

Finding the Fourth Proportional to 3,381.06, 5,071.59 and 1,189.54

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Solution

The fourth proportional to 3,381.06, 5,071.59 and 1,189.54 is: 1,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.06 : 5,071.59 = 1,189.54 : x
  2. Step 2: Convert to fraction form
    3,381.06/5,071.59 = 1,189.54/x
  3. Step 3: Cross multiply
    3,381.06x = 5,071.59 × 1,189.54
  4. Step 4: Simplify right side
    3,381.06x = 6,032,859.17
  5. Step 5: Solve for x
    x = 6,032,859.17/3,381.06
  6. Step 6: Final answer
    x = 1,784.31

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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.