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Finding the Fourth Proportional to 2,034.26, 3,051.22 and 647.54

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Solution

The fourth proportional to 2,034.26, 3,051.22 and 647.54 is: 971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.26 : 3,051.22 = 647.54 : x
  2. Step 2: Convert to fraction form
    2,034.26/3,051.22 = 647.54/x
  3. Step 3: Cross multiply
    2,034.26x = 3,051.22 × 647.54
  4. Step 4: Simplify right side
    2,034.26x = 1,975,768.51
  5. Step 5: Solve for x
    x = 1,975,768.51/2,034.26
  6. Step 6: Final answer
    x = 971.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.