Home / 1,836.72-2,533.44-1,138.44

Finding the Fourth Proportional to 1,836.72, 2,533.44 and 1,138.44

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Solution

The fourth proportional to 1,836.72, 2,533.44 and 1,138.44 is: 1,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.72 : 2,533.44 = 1,138.44 : x
  2. Step 2: Convert to fraction form
    1,836.72/2,533.44 = 1,138.44/x
  3. Step 3: Cross multiply
    1,836.72x = 2,533.44 × 1,138.44
  4. Step 4: Simplify right side
    1,836.72x = 2,884,169.43
  5. Step 5: Solve for x
    x = 2,884,169.43/1,836.72
  6. Step 6: Final answer
    x = 1,570.28

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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.