Home / 3,263.80-4,895.70-3,112.60

Finding the Fourth Proportional to 3,263.80, 4,895.70 and 3,112.60

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Solution

The fourth proportional to 3,263.80, 4,895.70 and 3,112.60 is: 4,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.80 : 4,895.70 = 3,112.60 : x
  2. Step 2: Convert to fraction form
    3,263.80/4,895.70 = 3,112.60/x
  3. Step 3: Cross multiply
    3,263.80x = 4,895.70 × 3,112.60
  4. Step 4: Simplify right side
    3,263.80x = 15,238,355.82
  5. Step 5: Solve for x
    x = 15,238,355.82/3,263.80
  6. Step 6: Final answer
    x = 4,668.90

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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.