Home / 1,351.35-2,027.66-1,329.51

Finding the Fourth Proportional to 1,351.35, 2,027.66 and 1,329.51

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Solution

The fourth proportional to 1,351.35, 2,027.66 and 1,329.51 is: 1,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.35 : 2,027.66 = 1,329.51 : x
  2. Step 2: Convert to fraction form
    1,351.35/2,027.66 = 1,329.51/x
  3. Step 3: Cross multiply
    1,351.35x = 2,027.66 × 1,329.51
  4. Step 4: Simplify right side
    1,351.35x = 2,695,799.32
  5. Step 5: Solve for x
    x = 2,695,799.32/1,351.35
  6. Step 6: Final answer
    x = 1,994.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.