Home / 3,722.12-5,582.94-1,124.84

Finding the Fourth Proportional to 3,722.12, 5,582.94 and 1,124.84

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Solution

The fourth proportional to 3,722.12, 5,582.94 and 1,124.84 is: 1,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.12 : 5,582.94 = 1,124.84 : x
  2. Step 2: Convert to fraction form
    3,722.12/5,582.94 = 1,124.84/x
  3. Step 3: Cross multiply
    3,722.12x = 5,582.94 × 1,124.84
  4. Step 4: Simplify right side
    3,722.12x = 6,279,914.23
  5. Step 5: Solve for x
    x = 6,279,914.23/3,722.12
  6. Step 6: Final answer
    x = 1,687.19

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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.