Home / 3,092.87-4,268.95-1,767.36

Finding the Fourth Proportional to 3,092.87, 4,268.95 and 1,767.36

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Solution

The fourth proportional to 3,092.87, 4,268.95 and 1,767.36 is: 2,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.87 : 4,268.95 = 1,767.36 : x
  2. Step 2: Convert to fraction form
    3,092.87/4,268.95 = 1,767.36/x
  3. Step 3: Cross multiply
    3,092.87x = 4,268.95 × 1,767.36
  4. Step 4: Simplify right side
    3,092.87x = 7,544,751.05
  5. Step 5: Solve for x
    x = 7,544,751.05/3,092.87
  6. Step 6: Final answer
    x = 2,439.40

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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.