Home / 3,203.20-4,804.80-2,555.20

Finding the Fourth Proportional to 3,203.20, 4,804.80 and 2,555.20

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Solution

The fourth proportional to 3,203.20, 4,804.80 and 2,555.20 is: 3,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.20 : 4,804.80 = 2,555.20 : x
  2. Step 2: Convert to fraction form
    3,203.20/4,804.80 = 2,555.20/x
  3. Step 3: Cross multiply
    3,203.20x = 4,804.80 × 2,555.20
  4. Step 4: Simplify right side
    3,203.20x = 12,277,224.96
  5. Step 5: Solve for x
    x = 12,277,224.96/3,203.20
  6. Step 6: Final answer
    x = 3,832.80

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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.