Home / 3,019.07-4,160.58-2,822.15

Finding the Fourth Proportional to 3,019.07, 4,160.58 and 2,822.15

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Solution

The fourth proportional to 3,019.07, 4,160.58 and 2,822.15 is: 3,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.07 : 4,160.58 = 2,822.15 : x
  2. Step 2: Convert to fraction form
    3,019.07/4,160.58 = 2,822.15/x
  3. Step 3: Cross multiply
    3,019.07x = 4,160.58 × 2,822.15
  4. Step 4: Simplify right side
    3,019.07x = 11,741,780.85
  5. Step 5: Solve for x
    x = 11,741,780.85/3,019.07
  6. Step 6: Final answer
    x = 3,889.20

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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.