Home / 3,099.40-4,627.09-2,969.80

Finding the Fourth Proportional to 3,099.40, 4,627.09 and 2,969.80

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Solution

The fourth proportional to 3,099.40, 4,627.09 and 2,969.80 is: 4,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.40 : 4,627.09 = 2,969.80 : x
  2. Step 2: Convert to fraction form
    3,099.40/4,627.09 = 2,969.80/x
  3. Step 3: Cross multiply
    3,099.40x = 4,627.09 × 2,969.80
  4. Step 4: Simplify right side
    3,099.40x = 13,741,531.88
  5. Step 5: Solve for x
    x = 13,741,531.88/3,099.40
  6. Step 6: Final answer
    x = 4,433.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.