Home / 3,858.52-5,788.72-1,122.52

Finding the Fourth Proportional to 3,858.52, 5,788.72 and 1,122.52

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Solution

The fourth proportional to 3,858.52, 5,788.72 and 1,122.52 is: 1,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.52 : 5,788.72 = 1,122.52 : x
  2. Step 2: Convert to fraction form
    3,858.52/5,788.72 = 1,122.52/x
  3. Step 3: Cross multiply
    3,858.52x = 5,788.72 × 1,122.52
  4. Step 4: Simplify right side
    3,858.52x = 6,497,953.97
  5. Step 5: Solve for x
    x = 6,497,953.97/3,858.52
  6. Step 6: Final answer
    x = 1,684.05

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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.