Home / 2,781.63-3,839.39-1,733.07

Finding the Fourth Proportional to 2,781.63, 3,839.39 and 1,733.07

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Solution

The fourth proportional to 2,781.63, 3,839.39 and 1,733.07 is: 2,392.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.63 : 3,839.39 = 1,733.07 : x
  2. Step 2: Convert to fraction form
    2,781.63/3,839.39 = 1,733.07/x
  3. Step 3: Cross multiply
    2,781.63x = 3,839.39 × 1,733.07
  4. Step 4: Simplify right side
    2,781.63x = 6,653,922.96
  5. Step 5: Solve for x
    x = 6,653,922.96/2,781.63
  6. Step 6: Final answer
    x = 2,392.09

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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.