Home / 4,054.08-6,078.84-1,280.24

Finding the Fourth Proportional to 4,054.08, 6,078.84 and 1,280.24

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Solution

The fourth proportional to 4,054.08, 6,078.84 and 1,280.24 is: 1,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.08 : 6,078.84 = 1,280.24 : x
  2. Step 2: Convert to fraction form
    4,054.08/6,078.84 = 1,280.24/x
  3. Step 3: Cross multiply
    4,054.08x = 6,078.84 × 1,280.24
  4. Step 4: Simplify right side
    4,054.08x = 7,782,374.12
  5. Step 5: Solve for x
    x = 7,782,374.12/4,054.08
  6. Step 6: Final answer
    x = 1,919.64

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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.