Home / 2,802.12-3,868.48-1,683.33

Finding the Fourth Proportional to 2,802.12, 3,868.48 and 1,683.33

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Solution

The fourth proportional to 2,802.12, 3,868.48 and 1,683.33 is: 2,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.12 : 3,868.48 = 1,683.33 : x
  2. Step 2: Convert to fraction form
    2,802.12/3,868.48 = 1,683.33/x
  3. Step 3: Cross multiply
    2,802.12x = 3,868.48 × 1,683.33
  4. Step 4: Simplify right side
    2,802.12x = 6,511,924.23
  5. Step 5: Solve for x
    x = 6,511,924.23/2,802.12
  6. Step 6: Final answer
    x = 2,323.93

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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.