Home / 3,660.36-5,481.18-2,015.10

Finding the Fourth Proportional to 3,660.36, 5,481.18 and 2,015.10

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Solution

The fourth proportional to 3,660.36, 5,481.18 and 2,015.10 is: 3,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.36 : 5,481.18 = 2,015.10 : x
  2. Step 2: Convert to fraction form
    3,660.36/5,481.18 = 2,015.10/x
  3. Step 3: Cross multiply
    3,660.36x = 5,481.18 × 2,015.10
  4. Step 4: Simplify right side
    3,660.36x = 11,045,125.82
  5. Step 5: Solve for x
    x = 11,045,125.82/3,660.36
  6. Step 6: Final answer
    x = 3,017.50

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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.