Home / 3,690.36-5,538.24-2,866.56

Finding the Fourth Proportional to 3,690.36, 5,538.24 and 2,866.56

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Solution

The fourth proportional to 3,690.36, 5,538.24 and 2,866.56 is: 4,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.36 : 5,538.24 = 2,866.56 : x
  2. Step 2: Convert to fraction form
    3,690.36/5,538.24 = 2,866.56/x
  3. Step 3: Cross multiply
    3,690.36x = 5,538.24 × 2,866.56
  4. Step 4: Simplify right side
    3,690.36x = 15,875,697.25
  5. Step 5: Solve for x
    x = 15,875,697.25/3,690.36
  6. Step 6: Final answer
    x = 4,301.94

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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.