Home / 3,019.19-4,166.91-2,271.96

Finding the Fourth Proportional to 3,019.19, 4,166.91 and 2,271.96

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Solution

The fourth proportional to 3,019.19, 4,166.91 and 2,271.96 is: 3,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.19 : 4,166.91 = 2,271.96 : x
  2. Step 2: Convert to fraction form
    3,019.19/4,166.91 = 2,271.96/x
  3. Step 3: Cross multiply
    3,019.19x = 4,166.91 × 2,271.96
  4. Step 4: Simplify right side
    3,019.19x = 9,467,052.84
  5. Step 5: Solve for x
    x = 9,467,052.84/3,019.19
  6. Step 6: Final answer
    x = 3,135.63

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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.