Home / 2,676.48-3,694.14-1,969.32

Finding the Fourth Proportional to 2,676.48, 3,694.14 and 1,969.32

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Solution

The fourth proportional to 2,676.48, 3,694.14 and 1,969.32 is: 2,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.48 : 3,694.14 = 1,969.32 : x
  2. Step 2: Convert to fraction form
    2,676.48/3,694.14 = 1,969.32/x
  3. Step 3: Cross multiply
    2,676.48x = 3,694.14 × 1,969.32
  4. Step 4: Simplify right side
    2,676.48x = 7,274,943.78
  5. Step 5: Solve for x
    x = 7,274,943.78/2,676.48
  6. Step 6: Final answer
    x = 2,718.10

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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.