Home / 3,255.72-4,493.16-1,858.56

Finding the Fourth Proportional to 3,255.72, 4,493.16 and 1,858.56

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Solution

The fourth proportional to 3,255.72, 4,493.16 and 1,858.56 is: 2,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.72 : 4,493.16 = 1,858.56 : x
  2. Step 2: Convert to fraction form
    3,255.72/4,493.16 = 1,858.56/x
  3. Step 3: Cross multiply
    3,255.72x = 4,493.16 × 1,858.56
  4. Step 4: Simplify right side
    3,255.72x = 8,350,807.45
  5. Step 5: Solve for x
    x = 8,350,807.45/3,255.72
  6. Step 6: Final answer
    x = 2,564.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.