Home / 3,021.57-4,170.01-1,695.36

Finding the Fourth Proportional to 3,021.57, 4,170.01 and 1,695.36

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Solution

The fourth proportional to 3,021.57, 4,170.01 and 1,695.36 is: 2,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.57 : 4,170.01 = 1,695.36 : x
  2. Step 2: Convert to fraction form
    3,021.57/4,170.01 = 1,695.36/x
  3. Step 3: Cross multiply
    3,021.57x = 4,170.01 × 1,695.36
  4. Step 4: Simplify right side
    3,021.57x = 7,069,668.15
  5. Step 5: Solve for x
    x = 7,069,668.15/3,021.57
  6. Step 6: Final answer
    x = 2,339.73

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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.