Home / 2,765.88-3,816.36-1,927.44

Finding the Fourth Proportional to 2,765.88, 3,816.36 and 1,927.44

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Solution

The fourth proportional to 2,765.88, 3,816.36 and 1,927.44 is: 2,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.88 : 3,816.36 = 1,927.44 : x
  2. Step 2: Convert to fraction form
    2,765.88/3,816.36 = 1,927.44/x
  3. Step 3: Cross multiply
    2,765.88x = 3,816.36 × 1,927.44
  4. Step 4: Simplify right side
    2,765.88x = 7,355,804.92
  5. Step 5: Solve for x
    x = 7,355,804.92/2,765.88
  6. Step 6: Final answer
    x = 2,659.48

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1.5x scale

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.