Home / 3,851.48-5,315.03-2,083.08

Finding the Fourth Proportional to 3,851.48, 5,315.03 and 2,083.08

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Solution

The fourth proportional to 3,851.48, 5,315.03 and 2,083.08 is: 2,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.48 : 5,315.03 = 2,083.08 : x
  2. Step 2: Convert to fraction form
    3,851.48/5,315.03 = 2,083.08/x
  3. Step 3: Cross multiply
    3,851.48x = 5,315.03 × 2,083.08
  4. Step 4: Simplify right side
    3,851.48x = 11,071,622.28
  5. Step 5: Solve for x
    x = 11,071,622.28/3,851.48
  6. Step 6: Final answer
    x = 2,874.64

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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.