Home / 3,099.25-4,648.40-1,249.89

Finding the Fourth Proportional to 3,099.25, 4,648.40 and 1,249.89

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Solution

The fourth proportional to 3,099.25, 4,648.40 and 1,249.89 is: 1,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.25 : 4,648.40 = 1,249.89 : x
  2. Step 2: Convert to fraction form
    3,099.25/4,648.40 = 1,249.89/x
  3. Step 3: Cross multiply
    3,099.25x = 4,648.40 × 1,249.89
  4. Step 4: Simplify right side
    3,099.25x = 5,809,988.68
  5. Step 5: Solve for x
    x = 5,809,988.68/3,099.25
  6. Step 6: Final answer
    x = 1,874.64

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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.