Home / 3,528.18-5,291.82-1,187.82

Finding the Fourth Proportional to 3,528.18, 5,291.82 and 1,187.82

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Solution

The fourth proportional to 3,528.18, 5,291.82 and 1,187.82 is: 1,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.18 : 5,291.82 = 1,187.82 : x
  2. Step 2: Convert to fraction form
    3,528.18/5,291.82 = 1,187.82/x
  3. Step 3: Cross multiply
    3,528.18x = 5,291.82 × 1,187.82
  4. Step 4: Simplify right side
    3,528.18x = 6,285,729.63
  5. Step 5: Solve for x
    x = 6,285,729.63/3,528.18
  6. Step 6: Final answer
    x = 1,781.58

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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.