Home / 2,795.25-3,858.26-1,863.75

Finding the Fourth Proportional to 2,795.25, 3,858.26 and 1,863.75

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Solution

The fourth proportional to 2,795.25, 3,858.26 and 1,863.75 is: 2,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.25 : 3,858.26 = 1,863.75 : x
  2. Step 2: Convert to fraction form
    2,795.25/3,858.26 = 1,863.75/x
  3. Step 3: Cross multiply
    2,795.25x = 3,858.26 × 1,863.75
  4. Step 4: Simplify right side
    2,795.25x = 7,190,822.76
  5. Step 5: Solve for x
    x = 7,190,822.76/2,795.25
  6. Step 6: Final answer
    x = 2,572.52

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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.