Home / 2,212.09-3,052.63-1,203.77

Finding the Fourth Proportional to 2,212.09, 3,052.63 and 1,203.77

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Solution

The fourth proportional to 2,212.09, 3,052.63 and 1,203.77 is: 1,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.09 : 3,052.63 = 1,203.77 : x
  2. Step 2: Convert to fraction form
    2,212.09/3,052.63 = 1,203.77/x
  3. Step 3: Cross multiply
    2,212.09x = 3,052.63 × 1,203.77
  4. Step 4: Simplify right side
    2,212.09x = 3,674,673.55
  5. Step 5: Solve for x
    x = 3,674,673.55/2,212.09
  6. Step 6: Final answer
    x = 1,661.18

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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.