Home / 3,080.09-4,619.94-1,230.71

Finding the Fourth Proportional to 3,080.09, 4,619.94 and 1,230.71

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Solution

The fourth proportional to 3,080.09, 4,619.94 and 1,230.71 is: 1,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.09 : 4,619.94 = 1,230.71 : x
  2. Step 2: Convert to fraction form
    3,080.09/4,619.94 = 1,230.71/x
  3. Step 3: Cross multiply
    3,080.09x = 4,619.94 × 1,230.71
  4. Step 4: Simplify right side
    3,080.09x = 5,685,783.26
  5. Step 5: Solve for x
    x = 5,685,783.26/3,080.09
  6. Step 6: Final answer
    x = 1,845.98

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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.