Home / 3,847.08-5,771.88-1,657.56

Finding the Fourth Proportional to 3,847.08, 5,771.88 and 1,657.56

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Solution

The fourth proportional to 3,847.08, 5,771.88 and 1,657.56 is: 2,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.08 : 5,771.88 = 1,657.56 : x
  2. Step 2: Convert to fraction form
    3,847.08/5,771.88 = 1,657.56/x
  3. Step 3: Cross multiply
    3,847.08x = 5,771.88 × 1,657.56
  4. Step 4: Simplify right side
    3,847.08x = 9,567,237.41
  5. Step 5: Solve for x
    x = 9,567,237.41/3,847.08
  6. Step 6: Final answer
    x = 2,486.88

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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.