Home / 3,690.42-5,537.91-2,133.50

Finding the Fourth Proportional to 3,690.42, 5,537.91 and 2,133.50

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Solution

The fourth proportional to 3,690.42, 5,537.91 and 2,133.50 is: 3,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.42 : 5,537.91 = 2,133.50 : x
  2. Step 2: Convert to fraction form
    3,690.42/5,537.91 = 2,133.50/x
  3. Step 3: Cross multiply
    3,690.42x = 5,537.91 × 2,133.50
  4. Step 4: Simplify right side
    3,690.42x = 11,815,130.99
  5. Step 5: Solve for x
    x = 11,815,130.99/3,690.42
  6. Step 6: Final answer
    x = 3,201.57

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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.