Home / 3,722.47-5,579.82-1,256.44

Finding the Fourth Proportional to 3,722.47, 5,579.82 and 1,256.44

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Solution

The fourth proportional to 3,722.47, 5,579.82 and 1,256.44 is: 1,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.47 : 5,579.82 = 1,256.44 : x
  2. Step 2: Convert to fraction form
    3,722.47/5,579.82 = 1,256.44/x
  3. Step 3: Cross multiply
    3,722.47x = 5,579.82 × 1,256.44
  4. Step 4: Simplify right side
    3,722.47x = 7,010,709.04
  5. Step 5: Solve for x
    x = 7,010,709.04/3,722.47
  6. Step 6: Final answer
    x = 1,883.35

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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.