Home / 1,736.34-2,395.94-1,028.20

Finding the Fourth Proportional to 1,736.34, 2,395.94 and 1,028.20

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Solution

The fourth proportional to 1,736.34, 2,395.94 and 1,028.20 is: 1,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.34 : 2,395.94 = 1,028.20 : x
  2. Step 2: Convert to fraction form
    1,736.34/2,395.94 = 1,028.20/x
  3. Step 3: Cross multiply
    1,736.34x = 2,395.94 × 1,028.20
  4. Step 4: Simplify right side
    1,736.34x = 2,463,505.51
  5. Step 5: Solve for x
    x = 2,463,505.51/1,736.34
  6. Step 6: Final answer
    x = 1,418.79

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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.