Home / 2,694.16-3,717.81-1,515.16

Finding the Fourth Proportional to 2,694.16, 3,717.81 and 1,515.16

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Solution

The fourth proportional to 2,694.16, 3,717.81 and 1,515.16 is: 2,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.16 : 3,717.81 = 1,515.16 : x
  2. Step 2: Convert to fraction form
    2,694.16/3,717.81 = 1,515.16/x
  3. Step 3: Cross multiply
    2,694.16x = 3,717.81 × 1,515.16
  4. Step 4: Simplify right side
    2,694.16x = 5,633,077.00
  5. Step 5: Solve for x
    x = 5,633,077.00/2,694.16
  6. Step 6: Final answer
    x = 2,090.85

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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.