Home / 3,250.60-4,865.10-2,861.80

Finding the Fourth Proportional to 3,250.60, 4,865.10 and 2,861.80

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Solution

The fourth proportional to 3,250.60, 4,865.10 and 2,861.80 is: 4,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.60 : 4,865.10 = 2,861.80 : x
  2. Step 2: Convert to fraction form
    3,250.60/4,865.10 = 2,861.80/x
  3. Step 3: Cross multiply
    3,250.60x = 4,865.10 × 2,861.80
  4. Step 4: Simplify right side
    3,250.60x = 13,922,943.18
  5. Step 5: Solve for x
    x = 13,922,943.18/3,250.60
  6. Step 6: Final answer
    x = 4,283.19

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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.