Home / 3,015.38-4,162.05-1,836.44

Finding the Fourth Proportional to 3,015.38, 4,162.05 and 1,836.44

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Solution

The fourth proportional to 3,015.38, 4,162.05 and 1,836.44 is: 2,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.38 : 4,162.05 = 1,836.44 : x
  2. Step 2: Convert to fraction form
    3,015.38/4,162.05 = 1,836.44/x
  3. Step 3: Cross multiply
    3,015.38x = 4,162.05 × 1,836.44
  4. Step 4: Simplify right side
    3,015.38x = 7,643,355.10
  5. Step 5: Solve for x
    x = 7,643,355.10/3,015.38
  6. Step 6: Final answer
    x = 2,534.79

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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.