Home / 1,829.70-2,740.43-1,768.19

Finding the Fourth Proportional to 1,829.70, 2,740.43 and 1,768.19

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Solution

The fourth proportional to 1,829.70, 2,740.43 and 1,768.19 is: 2,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.70 : 2,740.43 = 1,768.19 : x
  2. Step 2: Convert to fraction form
    1,829.70/2,740.43 = 1,768.19/x
  3. Step 3: Cross multiply
    1,829.70x = 2,740.43 × 1,768.19
  4. Step 4: Simplify right side
    1,829.70x = 4,845,578.38
  5. Step 5: Solve for x
    x = 4,845,578.38/1,829.70
  6. Step 6: Final answer
    x = 2,648.29

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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.