Home / 2,620.06-3,928.87-1,524.74

Finding the Fourth Proportional to 2,620.06, 3,928.87 and 1,524.74

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Solution

The fourth proportional to 2,620.06, 3,928.87 and 1,524.74 is: 2,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.06 : 3,928.87 = 1,524.74 : x
  2. Step 2: Convert to fraction form
    2,620.06/3,928.87 = 1,524.74/x
  3. Step 3: Cross multiply
    2,620.06x = 3,928.87 × 1,524.74
  4. Step 4: Simplify right side
    2,620.06x = 5,990,487.51
  5. Step 5: Solve for x
    x = 5,990,487.51/2,620.06
  6. Step 6: Final answer
    x = 2,286.40

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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.