Home / 3,180.33-4,774.61-2,450.39

Finding the Fourth Proportional to 3,180.33, 4,774.61 and 2,450.39

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Solution

The fourth proportional to 3,180.33, 4,774.61 and 2,450.39 is: 3,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.33 : 4,774.61 = 2,450.39 : x
  2. Step 2: Convert to fraction form
    3,180.33/4,774.61 = 2,450.39/x
  3. Step 3: Cross multiply
    3,180.33x = 4,774.61 × 2,450.39
  4. Step 4: Simplify right side
    3,180.33x = 11,699,638.85
  5. Step 5: Solve for x
    x = 11,699,638.85/3,180.33
  6. Step 6: Final answer
    x = 3,678.75

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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.