Home / 3,462.75-4,778.60-2,065.50

Finding the Fourth Proportional to 3,462.75, 4,778.60 and 2,065.50

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Solution

The fourth proportional to 3,462.75, 4,778.60 and 2,065.50 is: 2,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.75 : 4,778.60 = 2,065.50 : x
  2. Step 2: Convert to fraction form
    3,462.75/4,778.60 = 2,065.50/x
  3. Step 3: Cross multiply
    3,462.75x = 4,778.60 × 2,065.50
  4. Step 4: Simplify right side
    3,462.75x = 9,870,187.97
  5. Step 5: Solve for x
    x = 9,870,187.97/3,462.75
  6. Step 6: Final answer
    x = 2,850.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.