Home / 2,761.04-4,131.84-2,106.56

Finding the Fourth Proportional to 2,761.04, 4,131.84 and 2,106.56

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Solution

The fourth proportional to 2,761.04, 4,131.84 and 2,106.56 is: 3,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.04 : 4,131.84 = 2,106.56 : x
  2. Step 2: Convert to fraction form
    2,761.04/4,131.84 = 2,106.56/x
  3. Step 3: Cross multiply
    2,761.04x = 4,131.84 × 2,106.56
  4. Step 4: Simplify right side
    2,761.04x = 8,703,968.87
  5. Step 5: Solve for x
    x = 8,703,968.87/2,761.04
  6. Step 6: Final answer
    x = 3,152.42

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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.