Home / 3,527.82-5,291.80-1,187.39

Finding the Fourth Proportional to 3,527.82, 5,291.80 and 1,187.39

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Solution

The fourth proportional to 3,527.82, 5,291.80 and 1,187.39 is: 1,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.82 : 5,291.80 = 1,187.39 : x
  2. Step 2: Convert to fraction form
    3,527.82/5,291.80 = 1,187.39/x
  3. Step 3: Cross multiply
    3,527.82x = 5,291.80 × 1,187.39
  4. Step 4: Simplify right side
    3,527.82x = 6,283,440.66
  5. Step 5: Solve for x
    x = 6,283,440.66/3,527.82
  6. Step 6: Final answer
    x = 1,781.11

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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.