Home / 3,170.97-4,376.09-1,754.65

Finding the Fourth Proportional to 3,170.97, 4,376.09 and 1,754.65

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Solution

The fourth proportional to 3,170.97, 4,376.09 and 1,754.65 is: 2,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.97 : 4,376.09 = 1,754.65 : x
  2. Step 2: Convert to fraction form
    3,170.97/4,376.09 = 1,754.65/x
  3. Step 3: Cross multiply
    3,170.97x = 4,376.09 × 1,754.65
  4. Step 4: Simplify right side
    3,170.97x = 7,678,516.18
  5. Step 5: Solve for x
    x = 7,678,516.18/3,170.97
  6. Step 6: Final answer
    x = 2,421.50

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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.