Home / 3,638.10-5,020.43-2,224.15

Finding the Fourth Proportional to 3,638.10, 5,020.43 and 2,224.15

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Solution

The fourth proportional to 3,638.10, 5,020.43 and 2,224.15 is: 3,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.10 : 5,020.43 = 2,224.15 : x
  2. Step 2: Convert to fraction form
    3,638.10/5,020.43 = 2,224.15/x
  3. Step 3: Cross multiply
    3,638.10x = 5,020.43 × 2,224.15
  4. Step 4: Simplify right side
    3,638.10x = 11,166,189.38
  5. Step 5: Solve for x
    x = 11,166,189.38/3,638.10
  6. Step 6: Final answer
    x = 3,069.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.