Home / 2,107.80-3,161.70-2,094.14

Finding the Fourth Proportional to 2,107.80, 3,161.70 and 2,094.14

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Solution

The fourth proportional to 2,107.80, 3,161.70 and 2,094.14 is: 3,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.80 : 3,161.70 = 2,094.14 : x
  2. Step 2: Convert to fraction form
    2,107.80/3,161.70 = 2,094.14/x
  3. Step 3: Cross multiply
    2,107.80x = 3,161.70 × 2,094.14
  4. Step 4: Simplify right side
    2,107.80x = 6,621,050.34
  5. Step 5: Solve for x
    x = 6,621,050.34/2,107.80
  6. Step 6: Final answer
    x = 3,141.21

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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.