Home / 2,112.94-3,165.79-1,495.63

Finding the Fourth Proportional to 2,112.94, 3,165.79 and 1,495.63

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Solution

The fourth proportional to 2,112.94, 3,165.79 and 1,495.63 is: 2,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.94 : 3,165.79 = 1,495.63 : x
  2. Step 2: Convert to fraction form
    2,112.94/3,165.79 = 1,495.63/x
  3. Step 3: Cross multiply
    2,112.94x = 3,165.79 × 1,495.63
  4. Step 4: Simplify right side
    2,112.94x = 4,734,850.50
  5. Step 5: Solve for x
    x = 4,734,850.50/2,112.94
  6. Step 6: Final answer
    x = 2,240.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.