Home / 1,836.11-2,533.56-1,128.08

Finding the Fourth Proportional to 1,836.11, 2,533.56 and 1,128.08

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Solution

The fourth proportional to 1,836.11, 2,533.56 and 1,128.08 is: 1,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.11 : 2,533.56 = 1,128.08 : x
  2. Step 2: Convert to fraction form
    1,836.11/2,533.56 = 1,128.08/x
  3. Step 3: Cross multiply
    1,836.11x = 2,533.56 × 1,128.08
  4. Step 4: Simplify right side
    1,836.11x = 2,858,058.36
  5. Step 5: Solve for x
    x = 2,858,058.36/1,836.11
  6. Step 6: Final answer
    x = 1,556.58

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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.