Home / 2,515.44-3,759.92-2,183.72

Finding the Fourth Proportional to 2,515.44, 3,759.92 and 2,183.72

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Solution

The fourth proportional to 2,515.44, 3,759.92 and 2,183.72 is: 3,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.44 : 3,759.92 = 2,183.72 : x
  2. Step 2: Convert to fraction form
    2,515.44/3,759.92 = 2,183.72/x
  3. Step 3: Cross multiply
    2,515.44x = 3,759.92 × 2,183.72
  4. Step 4: Simplify right side
    2,515.44x = 8,210,612.50
  5. Step 5: Solve for x
    x = 8,210,612.50/2,515.44
  6. Step 6: Final answer
    x = 3,264.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.