Home / 3,453.80-5,175.42-2,587.56

Finding the Fourth Proportional to 3,453.80, 5,175.42 and 2,587.56

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Solution

The fourth proportional to 3,453.80, 5,175.42 and 2,587.56 is: 3,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.80 : 5,175.42 = 2,587.56 : x
  2. Step 2: Convert to fraction form
    3,453.80/5,175.42 = 2,587.56/x
  3. Step 3: Cross multiply
    3,453.80x = 5,175.42 × 2,587.56
  4. Step 4: Simplify right side
    3,453.80x = 13,391,709.78
  5. Step 5: Solve for x
    x = 13,391,709.78/3,453.80
  6. Step 6: Final answer
    x = 3,877.38

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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.