Home / 2,228.44-3,075.20-1,233.76

Finding the Fourth Proportional to 2,228.44, 3,075.20 and 1,233.76

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Solution

The fourth proportional to 2,228.44, 3,075.20 and 1,233.76 is: 1,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.44 : 3,075.20 = 1,233.76 : x
  2. Step 2: Convert to fraction form
    2,228.44/3,075.20 = 1,233.76/x
  3. Step 3: Cross multiply
    2,228.44x = 3,075.20 × 1,233.76
  4. Step 4: Simplify right side
    2,228.44x = 3,794,058.75
  5. Step 5: Solve for x
    x = 3,794,058.75/2,228.44
  6. Step 6: Final answer
    x = 1,702.56

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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.