Home / 4,178.80-6,268.17-1,100.80

Finding the Fourth Proportional to 4,178.80, 6,268.17 and 1,100.80

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Solution

The fourth proportional to 4,178.80, 6,268.17 and 1,100.80 is: 1,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.80 : 6,268.17 = 1,100.80 : x
  2. Step 2: Convert to fraction form
    4,178.80/6,268.17 = 1,100.80/x
  3. Step 3: Cross multiply
    4,178.80x = 6,268.17 × 1,100.80
  4. Step 4: Simplify right side
    4,178.80x = 6,900,001.54
  5. Step 5: Solve for x
    x = 6,900,001.54/4,178.80
  6. Step 6: Final answer
    x = 1,651.19

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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.