Home / 2,914.11-4,019.36-2,018.25

Finding the Fourth Proportional to 2,914.11, 4,019.36 and 2,018.25

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Solution

The fourth proportional to 2,914.11, 4,019.36 and 2,018.25 is: 2,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.11 : 4,019.36 = 2,018.25 : x
  2. Step 2: Convert to fraction form
    2,914.11/4,019.36 = 2,018.25/x
  3. Step 3: Cross multiply
    2,914.11x = 4,019.36 × 2,018.25
  4. Step 4: Simplify right side
    2,914.11x = 8,112,063.23
  5. Step 5: Solve for x
    x = 8,112,063.23/2,914.11
  6. Step 6: Final answer
    x = 2,783.72

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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.