Home / 1,855.08-2,782.74-1,512.36

Finding the Fourth Proportional to 1,855.08, 2,782.74 and 1,512.36

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Solution

The fourth proportional to 1,855.08, 2,782.74 and 1,512.36 is: 2,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.08 : 2,782.74 = 1,512.36 : x
  2. Step 2: Convert to fraction form
    1,855.08/2,782.74 = 1,512.36/x
  3. Step 3: Cross multiply
    1,855.08x = 2,782.74 × 1,512.36
  4. Step 4: Simplify right side
    1,855.08x = 4,208,504.67
  5. Step 5: Solve for x
    x = 4,208,504.67/1,855.08
  6. Step 6: Final answer
    x = 2,268.64

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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.