Home / 3,021.66-4,169.82-1,695.36

Finding the Fourth Proportional to 3,021.66, 4,169.82 and 1,695.36

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Solution

The fourth proportional to 3,021.66, 4,169.82 and 1,695.36 is: 2,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.66 : 4,169.82 = 1,695.36 : x
  2. Step 2: Convert to fraction form
    3,021.66/4,169.82 = 1,695.36/x
  3. Step 3: Cross multiply
    3,021.66x = 4,169.82 × 1,695.36
  4. Step 4: Simplify right side
    3,021.66x = 7,069,346.04
  5. Step 5: Solve for x
    x = 7,069,346.04/3,021.66
  6. Step 6: Final answer
    x = 2,339.56

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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.