Home / 4,146.41-6,219.57-1,680.64

Finding the Fourth Proportional to 4,146.41, 6,219.57 and 1,680.64

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Solution

The fourth proportional to 4,146.41, 6,219.57 and 1,680.64 is: 2,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.41 : 6,219.57 = 1,680.64 : x
  2. Step 2: Convert to fraction form
    4,146.41/6,219.57 = 1,680.64/x
  3. Step 3: Cross multiply
    4,146.41x = 6,219.57 × 1,680.64
  4. Step 4: Simplify right side
    4,146.41x = 10,452,842.58
  5. Step 5: Solve for x
    x = 10,452,842.58/4,146.41
  6. Step 6: Final answer
    x = 2,520.94

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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.