Home / 2,765.06-3,813.85-1,879.33

Finding the Fourth Proportional to 2,765.06, 3,813.85 and 1,879.33

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Solution

The fourth proportional to 2,765.06, 3,813.85 and 1,879.33 is: 2,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.06 : 3,813.85 = 1,879.33 : x
  2. Step 2: Convert to fraction form
    2,765.06/3,813.85 = 1,879.33/x
  3. Step 3: Cross multiply
    2,765.06x = 3,813.85 × 1,879.33
  4. Step 4: Simplify right side
    2,765.06x = 7,167,482.72
  5. Step 5: Solve for x
    x = 7,167,482.72/2,765.06
  6. Step 6: Final answer
    x = 2,592.16

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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.