Home / 3,722.64-5,584.88-1,125.44

Finding the Fourth Proportional to 3,722.64, 5,584.88 and 1,125.44

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Solution

The fourth proportional to 3,722.64, 5,584.88 and 1,125.44 is: 1,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.64 : 5,584.88 = 1,125.44 : x
  2. Step 2: Convert to fraction form
    3,722.64/5,584.88 = 1,125.44/x
  3. Step 3: Cross multiply
    3,722.64x = 5,584.88 × 1,125.44
  4. Step 4: Simplify right side
    3,722.64x = 6,285,447.35
  5. Step 5: Solve for x
    x = 6,285,447.35/3,722.64
  6. Step 6: Final answer
    x = 1,688.44

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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.