Home / 3,455.78-4,768.96-1,883.87

Finding the Fourth Proportional to 3,455.78, 4,768.96 and 1,883.87

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Solution

The fourth proportional to 3,455.78, 4,768.96 and 1,883.87 is: 2,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.78 : 4,768.96 = 1,883.87 : x
  2. Step 2: Convert to fraction form
    3,455.78/4,768.96 = 1,883.87/x
  3. Step 3: Cross multiply
    3,455.78x = 4,768.96 × 1,883.87
  4. Step 4: Simplify right side
    3,455.78x = 8,984,091.26
  5. Step 5: Solve for x
    x = 8,984,091.26/3,455.78
  6. Step 6: Final answer
    x = 2,599.73

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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.