Home / 3,640.41-5,451.24-2,528.21

Finding the Fourth Proportional to 3,640.41, 5,451.24 and 2,528.21

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Solution

The fourth proportional to 3,640.41, 5,451.24 and 2,528.21 is: 3,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.41 : 5,451.24 = 2,528.21 : x
  2. Step 2: Convert to fraction form
    3,640.41/5,451.24 = 2,528.21/x
  3. Step 3: Cross multiply
    3,640.41x = 5,451.24 × 2,528.21
  4. Step 4: Simplify right side
    3,640.41x = 13,781,852.22
  5. Step 5: Solve for x
    x = 13,781,852.22/3,640.41
  6. Step 6: Final answer
    x = 3,785.80

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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.