Home / 2,390.09-3,297.71-1,394.73

Finding the Fourth Proportional to 2,390.09, 3,297.71 and 1,394.73

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Solution

The fourth proportional to 2,390.09, 3,297.71 and 1,394.73 is: 1,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.09 : 3,297.71 = 1,394.73 : x
  2. Step 2: Convert to fraction form
    2,390.09/3,297.71 = 1,394.73/x
  3. Step 3: Cross multiply
    2,390.09x = 3,297.71 × 1,394.73
  4. Step 4: Simplify right side
    2,390.09x = 4,599,418.56
  5. Step 5: Solve for x
    x = 4,599,418.56/2,390.09
  6. Step 6: Final answer
    x = 1,924.37

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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.