Home / 3,004.94-4,147.26-1,678.88

Finding the Fourth Proportional to 3,004.94, 4,147.26 and 1,678.88

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Solution

The fourth proportional to 3,004.94, 4,147.26 and 1,678.88 is: 2,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.94 : 4,147.26 = 1,678.88 : x
  2. Step 2: Convert to fraction form
    3,004.94/4,147.26 = 1,678.88/x
  3. Step 3: Cross multiply
    3,004.94x = 4,147.26 × 1,678.88
  4. Step 4: Simplify right side
    3,004.94x = 6,962,751.87
  5. Step 5: Solve for x
    x = 6,962,751.87/3,004.94
  6. Step 6: Final answer
    x = 2,317.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.