Home / 3,487.58-5,227.70-1,840.48

Finding the Fourth Proportional to 3,487.58, 5,227.70 and 1,840.48

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Solution

The fourth proportional to 3,487.58, 5,227.70 and 1,840.48 is: 2,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.58 : 5,227.70 = 1,840.48 : x
  2. Step 2: Convert to fraction form
    3,487.58/5,227.70 = 1,840.48/x
  3. Step 3: Cross multiply
    3,487.58x = 5,227.70 × 1,840.48
  4. Step 4: Simplify right side
    3,487.58x = 9,621,477.30
  5. Step 5: Solve for x
    x = 9,621,477.30/3,487.58
  6. Step 6: Final answer
    x = 2,758.78

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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.