Home / 3,412.32-5,118.46-2,257.80

Finding the Fourth Proportional to 3,412.32, 5,118.46 and 2,257.80

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Solution

The fourth proportional to 3,412.32, 5,118.46 and 2,257.80 is: 3,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.32 : 5,118.46 = 2,257.80 : x
  2. Step 2: Convert to fraction form
    3,412.32/5,118.46 = 2,257.80/x
  3. Step 3: Cross multiply
    3,412.32x = 5,118.46 × 2,257.80
  4. Step 4: Simplify right side
    3,412.32x = 11,556,458.99
  5. Step 5: Solve for x
    x = 11,556,458.99/3,412.32
  6. Step 6: Final answer
    x = 3,386.69

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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.