Home / 2,553.66-3,523.23-1,609.20

Finding the Fourth Proportional to 2,553.66, 3,523.23 and 1,609.20

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Solution

The fourth proportional to 2,553.66, 3,523.23 and 1,609.20 is: 2,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.66 : 3,523.23 = 1,609.20 : x
  2. Step 2: Convert to fraction form
    2,553.66/3,523.23 = 1,609.20/x
  3. Step 3: Cross multiply
    2,553.66x = 3,523.23 × 1,609.20
  4. Step 4: Simplify right side
    2,553.66x = 5,669,581.72
  5. Step 5: Solve for x
    x = 5,669,581.72/2,553.66
  6. Step 6: Final answer
    x = 2,220.18

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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.