Home / 1,683.73-2,323.77-1,020.58

Finding the Fourth Proportional to 1,683.73, 2,323.77 and 1,020.58

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Solution

The fourth proportional to 1,683.73, 2,323.77 and 1,020.58 is: 1,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.73 : 2,323.77 = 1,020.58 : x
  2. Step 2: Convert to fraction form
    1,683.73/2,323.77 = 1,020.58/x
  3. Step 3: Cross multiply
    1,683.73x = 2,323.77 × 1,020.58
  4. Step 4: Simplify right side
    1,683.73x = 2,371,593.19
  5. Step 5: Solve for x
    x = 2,371,593.19/1,683.73
  6. Step 6: Final answer
    x = 1,408.54

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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.