Home / 2,015.46-3,018.57-1,812.48

Finding the Fourth Proportional to 2,015.46, 3,018.57 and 1,812.48

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Solution

The fourth proportional to 2,015.46, 3,018.57 and 1,812.48 is: 2,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.46 : 3,018.57 = 1,812.48 : x
  2. Step 2: Convert to fraction form
    2,015.46/3,018.57 = 1,812.48/x
  3. Step 3: Cross multiply
    2,015.46x = 3,018.57 × 1,812.48
  4. Step 4: Simplify right side
    2,015.46x = 5,471,091.11
  5. Step 5: Solve for x
    x = 5,471,091.11/2,015.46
  6. Step 6: Final answer
    x = 2,714.57

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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.