Home / 3,622.88-5,435.42-1,515.53

Finding the Fourth Proportional to 3,622.88, 5,435.42 and 1,515.53

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Solution

The fourth proportional to 3,622.88, 5,435.42 and 1,515.53 is: 2,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.88 : 5,435.42 = 1,515.53 : x
  2. Step 2: Convert to fraction form
    3,622.88/5,435.42 = 1,515.53/x
  3. Step 3: Cross multiply
    3,622.88x = 5,435.42 × 1,515.53
  4. Step 4: Simplify right side
    3,622.88x = 8,237,548.08
  5. Step 5: Solve for x
    x = 8,237,548.08/3,622.88
  6. Step 6: Final answer
    x = 2,273.76

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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.