Home / 3,883.78-5,826.75-2,153.62

Finding the Fourth Proportional to 3,883.78, 5,826.75 and 2,153.62

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Solution

The fourth proportional to 3,883.78, 5,826.75 and 2,153.62 is: 3,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.78 : 5,826.75 = 2,153.62 : x
  2. Step 2: Convert to fraction form
    3,883.78/5,826.75 = 2,153.62/x
  3. Step 3: Cross multiply
    3,883.78x = 5,826.75 × 2,153.62
  4. Step 4: Simplify right side
    3,883.78x = 12,548,605.34
  5. Step 5: Solve for x
    x = 12,548,605.34/3,883.78
  6. Step 6: Final answer
    x = 3,231.03

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1.5x scale

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.