Home / 3,722.22-5,582.34-1,125.18

Finding the Fourth Proportional to 3,722.22, 5,582.34 and 1,125.18

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Solution

The fourth proportional to 3,722.22, 5,582.34 and 1,125.18 is: 1,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.22 : 5,582.34 = 1,125.18 : x
  2. Step 2: Convert to fraction form
    3,722.22/5,582.34 = 1,125.18/x
  3. Step 3: Cross multiply
    3,722.22x = 5,582.34 × 1,125.18
  4. Step 4: Simplify right side
    3,722.22x = 6,281,137.32
  5. Step 5: Solve for x
    x = 6,281,137.32/3,722.22
  6. Step 6: Final answer
    x = 1,687.47

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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.