Home / 1,853.36-2,557.87-1,107.32

Finding the Fourth Proportional to 1,853.36, 2,557.87 and 1,107.32

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Solution

The fourth proportional to 1,853.36, 2,557.87 and 1,107.32 is: 1,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.36 : 2,557.87 = 1,107.32 : x
  2. Step 2: Convert to fraction form
    1,853.36/2,557.87 = 1,107.32/x
  3. Step 3: Cross multiply
    1,853.36x = 2,557.87 × 1,107.32
  4. Step 4: Simplify right side
    1,853.36x = 2,832,365.05
  5. Step 5: Solve for x
    x = 2,832,365.05/1,853.36
  6. Step 6: Final answer
    x = 1,528.23

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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.