Home / 2,039.44-2,811.46-1,507.54

Finding the Fourth Proportional to 2,039.44, 2,811.46 and 1,507.54

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Solution

The fourth proportional to 2,039.44, 2,811.46 and 1,507.54 is: 2,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.44 : 2,811.46 = 1,507.54 : x
  2. Step 2: Convert to fraction form
    2,039.44/2,811.46 = 1,507.54/x
  3. Step 3: Cross multiply
    2,039.44x = 2,811.46 × 1,507.54
  4. Step 4: Simplify right side
    2,039.44x = 4,238,388.41
  5. Step 5: Solve for x
    x = 4,238,388.41/2,039.44
  6. Step 6: Final answer
    x = 2,078.21

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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.