Home / 2,019.03-2,786.97-1,262.48

Finding the Fourth Proportional to 2,019.03, 2,786.97 and 1,262.48

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Solution

The fourth proportional to 2,019.03, 2,786.97 and 1,262.48 is: 1,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.03 : 2,786.97 = 1,262.48 : x
  2. Step 2: Convert to fraction form
    2,019.03/2,786.97 = 1,262.48/x
  3. Step 3: Cross multiply
    2,019.03x = 2,786.97 × 1,262.48
  4. Step 4: Simplify right side
    2,019.03x = 3,518,479.95
  5. Step 5: Solve for x
    x = 3,518,479.95/2,019.03
  6. Step 6: Final answer
    x = 1,742.66

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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.