Home / 2,069.44-2,855.00-1,272.51

Finding the Fourth Proportional to 2,069.44, 2,855.00 and 1,272.51

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Solution

The fourth proportional to 2,069.44, 2,855.00 and 1,272.51 is: 1,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.44 : 2,855.00 = 1,272.51 : x
  2. Step 2: Convert to fraction form
    2,069.44/2,855.00 = 1,272.51/x
  3. Step 3: Cross multiply
    2,069.44x = 2,855.00 × 1,272.51
  4. Step 4: Simplify right side
    2,069.44x = 3,633,029.49
  5. Step 5: Solve for x
    x = 3,633,029.49/2,069.44
  6. Step 6: Final answer
    x = 1,755.56

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1.5x scale

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.