Home / 1,736.45-2,399.38-1,515.05

Finding the Fourth Proportional to 1,736.45, 2,399.38 and 1,515.05

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Solution

The fourth proportional to 1,736.45, 2,399.38 and 1,515.05 is: 2,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.45 : 2,399.38 = 1,515.05 : x
  2. Step 2: Convert to fraction form
    1,736.45/2,399.38 = 1,515.05/x
  3. Step 3: Cross multiply
    1,736.45x = 2,399.38 × 1,515.05
  4. Step 4: Simplify right side
    1,736.45x = 3,635,164.88
  5. Step 5: Solve for x
    x = 3,635,164.88/1,736.45
  6. Step 6: Final answer
    x = 2,093.45

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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.