Home / 3,845.52-5,769.36-2,458.80

Finding the Fourth Proportional to 3,845.52, 5,769.36 and 2,458.80

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Solution

The fourth proportional to 3,845.52, 5,769.36 and 2,458.80 is: 3,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.52 : 5,769.36 = 2,458.80 : x
  2. Step 2: Convert to fraction form
    3,845.52/5,769.36 = 2,458.80/x
  3. Step 3: Cross multiply
    3,845.52x = 5,769.36 × 2,458.80
  4. Step 4: Simplify right side
    3,845.52x = 14,185,702.37
  5. Step 5: Solve for x
    x = 14,185,702.37/3,845.52
  6. Step 6: Final answer
    x = 3,688.89

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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.