Home / 2,683.69-4,020.84-1,862.48

Finding the Fourth Proportional to 2,683.69, 4,020.84 and 1,862.48

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Solution

The fourth proportional to 2,683.69, 4,020.84 and 1,862.48 is: 2,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.69 : 4,020.84 = 1,862.48 : x
  2. Step 2: Convert to fraction form
    2,683.69/4,020.84 = 1,862.48/x
  3. Step 3: Cross multiply
    2,683.69x = 4,020.84 × 1,862.48
  4. Step 4: Simplify right side
    2,683.69x = 7,488,744.14
  5. Step 5: Solve for x
    x = 7,488,744.14/2,683.69
  6. Step 6: Final answer
    x = 2,790.47

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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.