Home / 1,839.94-2,536.63-1,249.45

Finding the Fourth Proportional to 1,839.94, 2,536.63 and 1,249.45

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Solution

The fourth proportional to 1,839.94, 2,536.63 and 1,249.45 is: 1,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.94 : 2,536.63 = 1,249.45 : x
  2. Step 2: Convert to fraction form
    1,839.94/2,536.63 = 1,249.45/x
  3. Step 3: Cross multiply
    1,839.94x = 2,536.63 × 1,249.45
  4. Step 4: Simplify right side
    1,839.94x = 3,169,392.35
  5. Step 5: Solve for x
    x = 3,169,392.35/1,839.94
  6. Step 6: Final answer
    x = 1,722.55

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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.