Home / 3,205.55-4,422.07-2,762.68

Finding the Fourth Proportional to 3,205.55, 4,422.07 and 2,762.68

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Solution

The fourth proportional to 3,205.55, 4,422.07 and 2,762.68 is: 3,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.55 : 4,422.07 = 2,762.68 : x
  2. Step 2: Convert to fraction form
    3,205.55/4,422.07 = 2,762.68/x
  3. Step 3: Cross multiply
    3,205.55x = 4,422.07 × 2,762.68
  4. Step 4: Simplify right side
    3,205.55x = 12,216,764.35
  5. Step 5: Solve for x
    x = 12,216,764.35/3,205.55
  6. Step 6: Final answer
    x = 3,811.13

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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.