Home / 3,618.30-5,427.47-1,021.24

Finding the Fourth Proportional to 3,618.30, 5,427.47 and 1,021.24

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Solution

The fourth proportional to 3,618.30, 5,427.47 and 1,021.24 is: 1,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.30 : 5,427.47 = 1,021.24 : x
  2. Step 2: Convert to fraction form
    3,618.30/5,427.47 = 1,021.24/x
  3. Step 3: Cross multiply
    3,618.30x = 5,427.47 × 1,021.24
  4. Step 4: Simplify right side
    3,618.30x = 5,542,749.46
  5. Step 5: Solve for x
    x = 5,542,749.46/3,618.30
  6. Step 6: Final answer
    x = 1,531.87

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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.