Home / 3,311.58-4,575.51-2,758.62

Finding the Fourth Proportional to 3,311.58, 4,575.51 and 2,758.62

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Solution

The fourth proportional to 3,311.58, 4,575.51 and 2,758.62 is: 3,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.58 : 4,575.51 = 2,758.62 : x
  2. Step 2: Convert to fraction form
    3,311.58/4,575.51 = 2,758.62/x
  3. Step 3: Cross multiply
    3,311.58x = 4,575.51 × 2,758.62
  4. Step 4: Simplify right side
    3,311.58x = 12,622,093.40
  5. Step 5: Solve for x
    x = 12,622,093.40/3,311.58
  6. Step 6: Final answer
    x = 3,811.50

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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.