Home / 2,553.19-3,523.50-1,505.86

Finding the Fourth Proportional to 2,553.19, 3,523.50 and 1,505.86

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Solution

The fourth proportional to 2,553.19, 3,523.50 and 1,505.86 is: 2,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.19 : 3,523.50 = 1,505.86 : x
  2. Step 2: Convert to fraction form
    2,553.19/3,523.50 = 1,505.86/x
  3. Step 3: Cross multiply
    2,553.19x = 3,523.50 × 1,505.86
  4. Step 4: Simplify right side
    2,553.19x = 5,305,888.90
  5. Step 5: Solve for x
    x = 5,305,888.90/2,553.19
  6. Step 6: Final answer
    x = 2,078.14

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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.