Home / 4,178.22-6,268.52-1,680.18

Finding the Fourth Proportional to 4,178.22, 6,268.52 and 1,680.18

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Solution

The fourth proportional to 4,178.22, 6,268.52 and 1,680.18 is: 2,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.22 : 6,268.52 = 1,680.18 : x
  2. Step 2: Convert to fraction form
    4,178.22/6,268.52 = 1,680.18/x
  3. Step 3: Cross multiply
    4,178.22x = 6,268.52 × 1,680.18
  4. Step 4: Simplify right side
    4,178.22x = 10,532,241.93
  5. Step 5: Solve for x
    x = 10,532,241.93/4,178.22
  6. Step 6: Final answer
    x = 2,520.75

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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.