Home / 4,245.80-6,364.58-2,020.80

Finding the Fourth Proportional to 4,245.80, 6,364.58 and 2,020.80

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Solution

The fourth proportional to 4,245.80, 6,364.58 and 2,020.80 is: 3,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.80 : 6,364.58 = 2,020.80 : x
  2. Step 2: Convert to fraction form
    4,245.80/6,364.58 = 2,020.80/x
  3. Step 3: Cross multiply
    4,245.80x = 6,364.58 × 2,020.80
  4. Step 4: Simplify right side
    4,245.80x = 12,861,533.16
  5. Step 5: Solve for x
    x = 12,861,533.16/4,245.80
  6. Step 6: Final answer
    x = 3,029.24

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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.