Home / 2,553.75-3,523.37-1,558.53

Finding the Fourth Proportional to 2,553.75, 3,523.37 and 1,558.53

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Solution

The fourth proportional to 2,553.75, 3,523.37 and 1,558.53 is: 2,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.75 : 3,523.37 = 1,558.53 : x
  2. Step 2: Convert to fraction form
    2,553.75/3,523.37 = 1,558.53/x
  3. Step 3: Cross multiply
    2,553.75x = 3,523.37 × 1,558.53
  4. Step 4: Simplify right side
    2,553.75x = 5,491,270.05
  5. Step 5: Solve for x
    x = 5,491,270.05/2,553.75
  6. Step 6: Final answer
    x = 2,150.28

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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.