Home / 3,822.31-5,733.74-1,225.09

Finding the Fourth Proportional to 3,822.31, 5,733.74 and 1,225.09

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Solution

The fourth proportional to 3,822.31, 5,733.74 and 1,225.09 is: 1,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.31 : 5,733.74 = 1,225.09 : x
  2. Step 2: Convert to fraction form
    3,822.31/5,733.74 = 1,225.09/x
  3. Step 3: Cross multiply
    3,822.31x = 5,733.74 × 1,225.09
  4. Step 4: Simplify right side
    3,822.31x = 7,024,347.54
  5. Step 5: Solve for x
    x = 7,024,347.54/3,822.31
  6. Step 6: Final answer
    x = 1,837.72

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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.