Home / 1,973.54-2,723.73-1,274.42

Finding the Fourth Proportional to 1,973.54, 2,723.73 and 1,274.42

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Solution

The fourth proportional to 1,973.54, 2,723.73 and 1,274.42 is: 1,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.54 : 2,723.73 = 1,274.42 : x
  2. Step 2: Convert to fraction form
    1,973.54/2,723.73 = 1,274.42/x
  3. Step 3: Cross multiply
    1,973.54x = 2,723.73 × 1,274.42
  4. Step 4: Simplify right side
    1,973.54x = 3,471,175.99
  5. Step 5: Solve for x
    x = 3,471,175.99/1,973.54
  6. Step 6: Final answer
    x = 1,758.86

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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.