Home / 1,839.21-2,536.46-1,249.63

Finding the Fourth Proportional to 1,839.21, 2,536.46 and 1,249.63

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Solution

The fourth proportional to 1,839.21, 2,536.46 and 1,249.63 is: 1,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.21 : 2,536.46 = 1,249.63 : x
  2. Step 2: Convert to fraction form
    1,839.21/2,536.46 = 1,249.63/x
  3. Step 3: Cross multiply
    1,839.21x = 2,536.46 × 1,249.63
  4. Step 4: Simplify right side
    1,839.21x = 3,169,635.64
  5. Step 5: Solve for x
    x = 3,169,635.64/1,839.21
  6. Step 6: Final answer
    x = 1,723.37

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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.