Home / 3,620.90-5,432.44-2,568.74

Finding the Fourth Proportional to 3,620.90, 5,432.44 and 2,568.74

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Solution

The fourth proportional to 3,620.90, 5,432.44 and 2,568.74 is: 3,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.90 : 5,432.44 = 2,568.74 : x
  2. Step 2: Convert to fraction form
    3,620.90/5,432.44 = 2,568.74/x
  3. Step 3: Cross multiply
    3,620.90x = 5,432.44 × 2,568.74
  4. Step 4: Simplify right side
    3,620.90x = 13,954,525.93
  5. Step 5: Solve for x
    x = 13,954,525.93/3,620.90
  6. Step 6: Final answer
    x = 3,853.88

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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.