Home / 2,412.26-3,621.70-1,243.22

Finding the Fourth Proportional to 2,412.26, 3,621.70 and 1,243.22

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Solution

The fourth proportional to 2,412.26, 3,621.70 and 1,243.22 is: 1,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.26 : 3,621.70 = 1,243.22 : x
  2. Step 2: Convert to fraction form
    2,412.26/3,621.70 = 1,243.22/x
  3. Step 3: Cross multiply
    2,412.26x = 3,621.70 × 1,243.22
  4. Step 4: Simplify right side
    2,412.26x = 4,502,569.87
  5. Step 5: Solve for x
    x = 4,502,569.87/2,412.26
  6. Step 6: Final answer
    x = 1,866.54

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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.