Home / 1,843.02-2,764.37-1,148.31

Finding the Fourth Proportional to 1,843.02, 2,764.37 and 1,148.31

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Solution

The fourth proportional to 1,843.02, 2,764.37 and 1,148.31 is: 1,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.02 : 2,764.37 = 1,148.31 : x
  2. Step 2: Convert to fraction form
    1,843.02/2,764.37 = 1,148.31/x
  3. Step 3: Cross multiply
    1,843.02x = 2,764.37 × 1,148.31
  4. Step 4: Simplify right side
    1,843.02x = 3,174,347.97
  5. Step 5: Solve for x
    x = 3,174,347.97/1,843.02
  6. Step 6: Final answer
    x = 1,722.36

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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.