Home / 3,845.55-5,306.86-2,077.16

Finding the Fourth Proportional to 3,845.55, 5,306.86 and 2,077.16

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Solution

The fourth proportional to 3,845.55, 5,306.86 and 2,077.16 is: 2,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.55 : 5,306.86 = 2,077.16 : x
  2. Step 2: Convert to fraction form
    3,845.55/5,306.86 = 2,077.16/x
  3. Step 3: Cross multiply
    3,845.55x = 5,306.86 × 2,077.16
  4. Step 4: Simplify right side
    3,845.55x = 11,023,183.76
  5. Step 5: Solve for x
    x = 11,023,183.76/3,845.55
  6. Step 6: Final answer
    x = 2,866.48

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