Home / 2,171.68-3,257.04-1,075.66

Finding the Fourth Proportional to 2,171.68, 3,257.04 and 1,075.66

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Solution

The fourth proportional to 2,171.68, 3,257.04 and 1,075.66 is: 1,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.68 : 3,257.04 = 1,075.66 : x
  2. Step 2: Convert to fraction form
    2,171.68/3,257.04 = 1,075.66/x
  3. Step 3: Cross multiply
    2,171.68x = 3,257.04 × 1,075.66
  4. Step 4: Simplify right side
    2,171.68x = 3,503,467.65
  5. Step 5: Solve for x
    x = 3,503,467.65/2,171.68
  6. Step 6: Final answer
    x = 1,613.25

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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.