Home / 2,455.37-3,383.74-1,755.53

Finding the Fourth Proportional to 2,455.37, 3,383.74 and 1,755.53

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Solution

The fourth proportional to 2,455.37, 3,383.74 and 1,755.53 is: 2,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.37 : 3,383.74 = 1,755.53 : x
  2. Step 2: Convert to fraction form
    2,455.37/3,383.74 = 1,755.53/x
  3. Step 3: Cross multiply
    2,455.37x = 3,383.74 × 1,755.53
  4. Step 4: Simplify right side
    2,455.37x = 5,940,257.08
  5. Step 5: Solve for x
    x = 5,940,257.08/2,455.37
  6. Step 6: Final answer
    x = 2,419.29

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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.