Home / 2,694.36-3,717.72-1,515.18

Finding the Fourth Proportional to 2,694.36, 3,717.72 and 1,515.18

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Solution

The fourth proportional to 2,694.36, 3,717.72 and 1,515.18 is: 2,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.36 : 3,717.72 = 1,515.18 : x
  2. Step 2: Convert to fraction form
    2,694.36/3,717.72 = 1,515.18/x
  3. Step 3: Cross multiply
    2,694.36x = 3,717.72 × 1,515.18
  4. Step 4: Simplify right side
    2,694.36x = 5,633,014.99
  5. Step 5: Solve for x
    x = 5,633,014.99/2,694.36
  6. Step 6: Final answer
    x = 2,090.67

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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.