Home / 3,427.05-5,136.48-1,575.63

Finding the Fourth Proportional to 3,427.05, 5,136.48 and 1,575.63

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Solution

The fourth proportional to 3,427.05, 5,136.48 and 1,575.63 is: 2,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.05 : 5,136.48 = 1,575.63 : x
  2. Step 2: Convert to fraction form
    3,427.05/5,136.48 = 1,575.63/x
  3. Step 3: Cross multiply
    3,427.05x = 5,136.48 × 1,575.63
  4. Step 4: Simplify right side
    3,427.05x = 8,093,191.98
  5. Step 5: Solve for x
    x = 8,093,191.98/3,427.05
  6. Step 6: Final answer
    x = 2,361.56

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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.