Home / 2,199.69-3,034.26-1,412.37

Finding the Fourth Proportional to 2,199.69, 3,034.26 and 1,412.37

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Solution

The fourth proportional to 2,199.69, 3,034.26 and 1,412.37 is: 1,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.69 : 3,034.26 = 1,412.37 : x
  2. Step 2: Convert to fraction form
    2,199.69/3,034.26 = 1,412.37/x
  3. Step 3: Cross multiply
    2,199.69x = 3,034.26 × 1,412.37
  4. Step 4: Simplify right side
    2,199.69x = 4,285,497.80
  5. Step 5: Solve for x
    x = 4,285,497.80/2,199.69
  6. Step 6: Final answer
    x = 1,948.23

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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.