Home / 2,222.21-3,335.37-1,127.35

Finding the Fourth Proportional to 2,222.21, 3,335.37 and 1,127.35

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Solution

The fourth proportional to 2,222.21, 3,335.37 and 1,127.35 is: 1,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.21 : 3,335.37 = 1,127.35 : x
  2. Step 2: Convert to fraction form
    2,222.21/3,335.37 = 1,127.35/x
  3. Step 3: Cross multiply
    2,222.21x = 3,335.37 × 1,127.35
  4. Step 4: Simplify right side
    2,222.21x = 3,760,129.37
  5. Step 5: Solve for x
    x = 3,760,129.37/2,222.21
  6. Step 6: Final answer
    x = 1,692.07

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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.