Home / 3,477.12-5,215.67-2,015.32

Finding the Fourth Proportional to 3,477.12, 5,215.67 and 2,015.32

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Solution

The fourth proportional to 3,477.12, 5,215.67 and 2,015.32 is: 3,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.12 : 5,215.67 = 2,015.32 : x
  2. Step 2: Convert to fraction form
    3,477.12/5,215.67 = 2,015.32/x
  3. Step 3: Cross multiply
    3,477.12x = 5,215.67 × 2,015.32
  4. Step 4: Simplify right side
    3,477.12x = 10,511,244.06
  5. Step 5: Solve for x
    x = 10,511,244.06/3,477.12
  6. Step 6: Final answer
    x = 3,022.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.