Home / 3,453.58-5,175.84-1,578.10

Finding the Fourth Proportional to 3,453.58, 5,175.84 and 1,578.10

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Solution

The fourth proportional to 3,453.58, 5,175.84 and 1,578.10 is: 2,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.58 : 5,175.84 = 1,578.10 : x
  2. Step 2: Convert to fraction form
    3,453.58/5,175.84 = 1,578.10/x
  3. Step 3: Cross multiply
    3,453.58x = 5,175.84 × 1,578.10
  4. Step 4: Simplify right side
    3,453.58x = 8,167,993.10
  5. Step 5: Solve for x
    x = 8,167,993.10/3,453.58
  6. Step 6: Final answer
    x = 2,365.08

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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.