Home / 2,019.44-2,786.84-1,135.25

Finding the Fourth Proportional to 2,019.44, 2,786.84 and 1,135.25

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Solution

The fourth proportional to 2,019.44, 2,786.84 and 1,135.25 is: 1,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.44 : 2,786.84 = 1,135.25 : x
  2. Step 2: Convert to fraction form
    2,019.44/2,786.84 = 1,135.25/x
  3. Step 3: Cross multiply
    2,019.44x = 2,786.84 × 1,135.25
  4. Step 4: Simplify right side
    2,019.44x = 3,163,761.40
  5. Step 5: Solve for x
    x = 3,163,761.40/2,019.44
  6. Step 6: Final answer
    x = 1,566.65

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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.