Home / 3,764.39-5,646.87-1,131.69

Finding the Fourth Proportional to 3,764.39, 5,646.87 and 1,131.69

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Solution

The fourth proportional to 3,764.39, 5,646.87 and 1,131.69 is: 1,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.39 : 5,646.87 = 1,131.69 : x
  2. Step 2: Convert to fraction form
    3,764.39/5,646.87 = 1,131.69/x
  3. Step 3: Cross multiply
    3,764.39x = 5,646.87 × 1,131.69
  4. Step 4: Simplify right side
    3,764.39x = 6,390,506.31
  5. Step 5: Solve for x
    x = 6,390,506.31/3,764.39
  6. Step 6: Final answer
    x = 1,697.62

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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.