Home / 2,694.28-3,717.19-1,515.10

Finding the Fourth Proportional to 2,694.28, 3,717.19 and 1,515.10

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Solution

The fourth proportional to 2,694.28, 3,717.19 and 1,515.10 is: 2,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.28 : 3,717.19 = 1,515.10 : x
  2. Step 2: Convert to fraction form
    2,694.28/3,717.19 = 1,515.10/x
  3. Step 3: Cross multiply
    2,694.28x = 3,717.19 × 1,515.10
  4. Step 4: Simplify right side
    2,694.28x = 5,631,914.57
  5. Step 5: Solve for x
    x = 5,631,914.57/2,694.28
  6. Step 6: Final answer
    x = 2,090.32

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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.