Home / 3,015.12-4,160.16-2,022.24

Finding the Fourth Proportional to 3,015.12, 4,160.16 and 2,022.24

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Solution

The fourth proportional to 3,015.12, 4,160.16 and 2,022.24 is: 2,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.12 : 4,160.16 = 2,022.24 : x
  2. Step 2: Convert to fraction form
    3,015.12/4,160.16 = 2,022.24/x
  3. Step 3: Cross multiply
    3,015.12x = 4,160.16 × 2,022.24
  4. Step 4: Simplify right side
    3,015.12x = 8,412,841.96
  5. Step 5: Solve for x
    x = 8,412,841.96/3,015.12
  6. Step 6: Final answer
    x = 2,790.22

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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.