Home / 3,723.02-5,584.37-1,257.78

Finding the Fourth Proportional to 3,723.02, 5,584.37 and 1,257.78

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Solution

The fourth proportional to 3,723.02, 5,584.37 and 1,257.78 is: 1,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.02 : 5,584.37 = 1,257.78 : x
  2. Step 2: Convert to fraction form
    3,723.02/5,584.37 = 1,257.78/x
  3. Step 3: Cross multiply
    3,723.02x = 5,584.37 × 1,257.78
  4. Step 4: Simplify right side
    3,723.02x = 7,023,902.61
  5. Step 5: Solve for x
    x = 7,023,902.61/3,723.02
  6. Step 6: Final answer
    x = 1,886.62

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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.