Home / 1,936.58-2,670.93-1,274.11

Finding the Fourth Proportional to 1,936.58, 2,670.93 and 1,274.11

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Solution

The fourth proportional to 1,936.58, 2,670.93 and 1,274.11 is: 1,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.58 : 2,670.93 = 1,274.11 : x
  2. Step 2: Convert to fraction form
    1,936.58/2,670.93 = 1,274.11/x
  3. Step 3: Cross multiply
    1,936.58x = 2,670.93 × 1,274.11
  4. Step 4: Simplify right side
    1,936.58x = 3,403,051.94
  5. Step 5: Solve for x
    x = 3,403,051.94/1,936.58
  6. Step 6: Final answer
    x = 1,757.25

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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.