Home / 3,022.76-4,173.26-1,976.65

Finding the Fourth Proportional to 3,022.76, 4,173.26 and 1,976.65

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Solution

The fourth proportional to 3,022.76, 4,173.26 and 1,976.65 is: 2,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.76 : 4,173.26 = 1,976.65 : x
  2. Step 2: Convert to fraction form
    3,022.76/4,173.26 = 1,976.65/x
  3. Step 3: Cross multiply
    3,022.76x = 4,173.26 × 1,976.65
  4. Step 4: Simplify right side
    3,022.76x = 8,249,054.06
  5. Step 5: Solve for x
    x = 8,249,054.06/3,022.76
  6. Step 6: Final answer
    x = 2,728.98

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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.