Home / 2,212.84-3,052.92-1,426.60

Finding the Fourth Proportional to 2,212.84, 3,052.92 and 1,426.60

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Solution

The fourth proportional to 2,212.84, 3,052.92 and 1,426.60 is: 1,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.84 : 3,052.92 = 1,426.60 : x
  2. Step 2: Convert to fraction form
    2,212.84/3,052.92 = 1,426.60/x
  3. Step 3: Cross multiply
    2,212.84x = 3,052.92 × 1,426.60
  4. Step 4: Simplify right side
    2,212.84x = 4,355,295.67
  5. Step 5: Solve for x
    x = 4,355,295.67/2,212.84
  6. Step 6: Final answer
    x = 1,968.19

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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.