Home / 3,683.90-5,080.28-2,843.26

Finding the Fourth Proportional to 3,683.90, 5,080.28 and 2,843.26

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Solution

The fourth proportional to 3,683.90, 5,080.28 and 2,843.26 is: 3,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.90 : 5,080.28 = 2,843.26 : x
  2. Step 2: Convert to fraction form
    3,683.90/5,080.28 = 2,843.26/x
  3. Step 3: Cross multiply
    3,683.90x = 5,080.28 × 2,843.26
  4. Step 4: Simplify right side
    3,683.90x = 14,444,556.91
  5. Step 5: Solve for x
    x = 14,444,556.91/3,683.90
  6. Step 6: Final answer
    x = 3,921.00

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1.5x scale

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.