Home / 3,072.51-4,238.87-1,727.82

Finding the Fourth Proportional to 3,072.51, 4,238.87 and 1,727.82

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Solution

The fourth proportional to 3,072.51, 4,238.87 and 1,727.82 is: 2,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.51 : 4,238.87 = 1,727.82 : x
  2. Step 2: Convert to fraction form
    3,072.51/4,238.87 = 1,727.82/x
  3. Step 3: Cross multiply
    3,072.51x = 4,238.87 × 1,727.82
  4. Step 4: Simplify right side
    3,072.51x = 7,323,995.72
  5. Step 5: Solve for x
    x = 7,323,995.72/3,072.51
  6. Step 6: Final answer
    x = 2,383.72

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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.