Home / 3,756.60-5,635.27-1,291.09

Finding the Fourth Proportional to 3,756.60, 5,635.27 and 1,291.09

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Solution

The fourth proportional to 3,756.60, 5,635.27 and 1,291.09 is: 1,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.60 : 5,635.27 = 1,291.09 : x
  2. Step 2: Convert to fraction form
    3,756.60/5,635.27 = 1,291.09/x
  3. Step 3: Cross multiply
    3,756.60x = 5,635.27 × 1,291.09
  4. Step 4: Simplify right side
    3,756.60x = 7,275,654.69
  5. Step 5: Solve for x
    x = 7,275,654.69/3,756.60
  6. Step 6: Final answer
    x = 1,936.77

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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.