Home / 3,087.43-4,620.21-2,722.93

Finding the Fourth Proportional to 3,087.43, 4,620.21 and 2,722.93

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Solution

The fourth proportional to 3,087.43, 4,620.21 and 2,722.93 is: 4,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.43 : 4,620.21 = 2,722.93 : x
  2. Step 2: Convert to fraction form
    3,087.43/4,620.21 = 2,722.93/x
  3. Step 3: Cross multiply
    3,087.43x = 4,620.21 × 2,722.93
  4. Step 4: Simplify right side
    3,087.43x = 12,580,508.42
  5. Step 5: Solve for x
    x = 12,580,508.42/3,087.43
  6. Step 6: Final answer
    x = 4,074.75

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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.