Home / 3,977.73-5,495.85-3,144.83

Finding the Fourth Proportional to 3,977.73, 5,495.85 and 3,144.83

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Solution

The fourth proportional to 3,977.73, 5,495.85 and 3,144.83 is: 4,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.73 : 5,495.85 = 3,144.83 : x
  2. Step 2: Convert to fraction form
    3,977.73/5,495.85 = 3,144.83/x
  3. Step 3: Cross multiply
    3,977.73x = 5,495.85 × 3,144.83
  4. Step 4: Simplify right side
    3,977.73x = 17,283,486.48
  5. Step 5: Solve for x
    x = 17,283,486.48/3,977.73
  6. Step 6: Final answer
    x = 4,345.06

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1.5x scale

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.