Home / 2,170.59-3,254.34-1,074.69

Finding the Fourth Proportional to 2,170.59, 3,254.34 and 1,074.69

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Solution

The fourth proportional to 2,170.59, 3,254.34 and 1,074.69 is: 1,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.59 : 3,254.34 = 1,074.69 : x
  2. Step 2: Convert to fraction form
    2,170.59/3,254.34 = 1,074.69/x
  3. Step 3: Cross multiply
    2,170.59x = 3,254.34 × 1,074.69
  4. Step 4: Simplify right side
    2,170.59x = 3,497,406.65
  5. Step 5: Solve for x
    x = 3,497,406.65/2,170.59
  6. Step 6: Final answer
    x = 1,611.27

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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.