Home / 3,147.63-4,715.97-1,684.16

Finding the Fourth Proportional to 3,147.63, 4,715.97 and 1,684.16

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Solution

The fourth proportional to 3,147.63, 4,715.97 and 1,684.16 is: 2,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.63 : 4,715.97 = 1,684.16 : x
  2. Step 2: Convert to fraction form
    3,147.63/4,715.97 = 1,684.16/x
  3. Step 3: Cross multiply
    3,147.63x = 4,715.97 × 1,684.16
  4. Step 4: Simplify right side
    3,147.63x = 7,942,448.04
  5. Step 5: Solve for x
    x = 7,942,448.04/3,147.63
  6. Step 6: Final answer
    x = 2,523.31

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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.