Home / 3,690.76-5,536.68-1,382.08

Finding the Fourth Proportional to 3,690.76, 5,536.68 and 1,382.08

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Solution

The fourth proportional to 3,690.76, 5,536.68 and 1,382.08 is: 2,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.76 : 5,536.68 = 1,382.08 : x
  2. Step 2: Convert to fraction form
    3,690.76/5,536.68 = 1,382.08/x
  3. Step 3: Cross multiply
    3,690.76x = 5,536.68 × 1,382.08
  4. Step 4: Simplify right side
    3,690.76x = 7,652,134.69
  5. Step 5: Solve for x
    x = 7,652,134.69/3,690.76
  6. Step 6: Final answer
    x = 2,073.32

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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.