Home / 3,618.44-5,427.85-1,021.58

Finding the Fourth Proportional to 3,618.44, 5,427.85 and 1,021.58

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Solution

The fourth proportional to 3,618.44, 5,427.85 and 1,021.58 is: 1,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.44 : 5,427.85 = 1,021.58 : x
  2. Step 2: Convert to fraction form
    3,618.44/5,427.85 = 1,021.58/x
  3. Step 3: Cross multiply
    3,618.44x = 5,427.85 × 1,021.58
  4. Step 4: Simplify right side
    3,618.44x = 5,544,983.00
  5. Step 5: Solve for x
    x = 5,544,983.00/3,618.44
  6. Step 6: Final answer
    x = 1,532.42

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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.