Home / 4,054.21-6,080.99-1,280.96

Finding the Fourth Proportional to 4,054.21, 6,080.99 and 1,280.96

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Solution

The fourth proportional to 4,054.21, 6,080.99 and 1,280.96 is: 1,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.21 : 6,080.99 = 1,280.96 : x
  2. Step 2: Convert to fraction form
    4,054.21/6,080.99 = 1,280.96/x
  3. Step 3: Cross multiply
    4,054.21x = 6,080.99 × 1,280.96
  4. Step 4: Simplify right side
    4,054.21x = 7,789,523.36
  5. Step 5: Solve for x
    x = 7,789,523.36/4,054.21
  6. Step 6: Final answer
    x = 1,921.34

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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.