Home / 3,237.51-4,855.46-1,388.42

Finding the Fourth Proportional to 3,237.51, 4,855.46 and 1,388.42

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Solution

The fourth proportional to 3,237.51, 4,855.46 and 1,388.42 is: 2,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.51 : 4,855.46 = 1,388.42 : x
  2. Step 2: Convert to fraction form
    3,237.51/4,855.46 = 1,388.42/x
  3. Step 3: Cross multiply
    3,237.51x = 4,855.46 × 1,388.42
  4. Step 4: Simplify right side
    3,237.51x = 6,741,396.97
  5. Step 5: Solve for x
    x = 6,741,396.97/3,237.51
  6. Step 6: Final answer
    x = 2,082.28

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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.