Home / 3,077.90-4,249.29-2,447.54

Finding the Fourth Proportional to 3,077.90, 4,249.29 and 2,447.54

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Solution

The fourth proportional to 3,077.90, 4,249.29 and 2,447.54 is: 3,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.90 : 4,249.29 = 2,447.54 : x
  2. Step 2: Convert to fraction form
    3,077.90/4,249.29 = 2,447.54/x
  3. Step 3: Cross multiply
    3,077.90x = 4,249.29 × 2,447.54
  4. Step 4: Simplify right side
    3,077.90x = 10,400,307.25
  5. Step 5: Solve for x
    x = 10,400,307.25/3,077.90
  6. Step 6: Final answer
    x = 3,379.03

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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.