Home / 1,694.70-2,349.27-1,664.37

Finding the Fourth Proportional to 1,694.70, 2,349.27 and 1,664.37

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Solution

The fourth proportional to 1,694.70, 2,349.27 and 1,664.37 is: 2,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.70 : 2,349.27 = 1,664.37 : x
  2. Step 2: Convert to fraction form
    1,694.70/2,349.27 = 1,664.37/x
  3. Step 3: Cross multiply
    1,694.70x = 2,349.27 × 1,664.37
  4. Step 4: Simplify right side
    1,694.70x = 3,910,054.51
  5. Step 5: Solve for x
    x = 3,910,054.51/1,694.70
  6. Step 6: Final answer
    x = 2,307.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.