Home / 1,790.33-2,683.82-1,398.19

Finding the Fourth Proportional to 1,790.33, 2,683.82 and 1,398.19

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Solution

The fourth proportional to 1,790.33, 2,683.82 and 1,398.19 is: 2,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.33 : 2,683.82 = 1,398.19 : x
  2. Step 2: Convert to fraction form
    1,790.33/2,683.82 = 1,398.19/x
  3. Step 3: Cross multiply
    1,790.33x = 2,683.82 × 1,398.19
  4. Step 4: Simplify right side
    1,790.33x = 3,752,487.07
  5. Step 5: Solve for x
    x = 3,752,487.07/1,790.33
  6. Step 6: Final answer
    x = 2,095.98

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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.