Home / 2,083.90-2,876.04-1,199.78

Finding the Fourth Proportional to 2,083.90, 2,876.04 and 1,199.78

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Solution

The fourth proportional to 2,083.90, 2,876.04 and 1,199.78 is: 1,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.90 : 2,876.04 = 1,199.78 : x
  2. Step 2: Convert to fraction form
    2,083.90/2,876.04 = 1,199.78/x
  3. Step 3: Cross multiply
    2,083.90x = 2,876.04 × 1,199.78
  4. Step 4: Simplify right side
    2,083.90x = 3,450,615.27
  5. Step 5: Solve for x
    x = 3,450,615.27/2,083.90
  6. Step 6: Final answer
    x = 1,655.84

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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.