Home / 1,839.07-2,536.18-1,418.75

Finding the Fourth Proportional to 1,839.07, 2,536.18 and 1,418.75

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Solution

The fourth proportional to 1,839.07, 2,536.18 and 1,418.75 is: 1,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.07 : 2,536.18 = 1,418.75 : x
  2. Step 2: Convert to fraction form
    1,839.07/2,536.18 = 1,418.75/x
  3. Step 3: Cross multiply
    1,839.07x = 2,536.18 × 1,418.75
  4. Step 4: Simplify right side
    1,839.07x = 3,598,205.38
  5. Step 5: Solve for x
    x = 3,598,205.38/1,839.07
  6. Step 6: Final answer
    x = 1,956.54

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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.