Home / 3,021.56-4,169.22-1,901.68

Finding the Fourth Proportional to 3,021.56, 4,169.22 and 1,901.68

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Solution

The fourth proportional to 3,021.56, 4,169.22 and 1,901.68 is: 2,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.56 : 4,169.22 = 1,901.68 : x
  2. Step 2: Convert to fraction form
    3,021.56/4,169.22 = 1,901.68/x
  3. Step 3: Cross multiply
    3,021.56x = 4,169.22 × 1,901.68
  4. Step 4: Simplify right side
    3,021.56x = 7,928,522.29
  5. Step 5: Solve for x
    x = 7,928,522.29/3,021.56
  6. Step 6: Final answer
    x = 2,623.98

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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.