Home / 4,054.24-6,080.48-1,280.56

Finding the Fourth Proportional to 4,054.24, 6,080.48 and 1,280.56

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Solution

The fourth proportional to 4,054.24, 6,080.48 and 1,280.56 is: 1,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.24 : 6,080.48 = 1,280.56 : x
  2. Step 2: Convert to fraction form
    4,054.24/6,080.48 = 1,280.56/x
  3. Step 3: Cross multiply
    4,054.24x = 6,080.48 × 1,280.56
  4. Step 4: Simplify right side
    4,054.24x = 7,786,419.47
  5. Step 5: Solve for x
    x = 7,786,419.47/4,054.24
  6. Step 6: Final answer
    x = 1,920.56

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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.