Home / 3,268.98-4,904.08-1,077.80

Finding the Fourth Proportional to 3,268.98, 4,904.08 and 1,077.80

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Solution

The fourth proportional to 3,268.98, 4,904.08 and 1,077.80 is: 1,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.98 : 4,904.08 = 1,077.80 : x
  2. Step 2: Convert to fraction form
    3,268.98/4,904.08 = 1,077.80/x
  3. Step 3: Cross multiply
    3,268.98x = 4,904.08 × 1,077.80
  4. Step 4: Simplify right side
    3,268.98x = 5,285,617.42
  5. Step 5: Solve for x
    x = 5,285,617.42/3,268.98
  6. Step 6: Final answer
    x = 1,616.90

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1.5x scale

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.