Home / 2,228.45-3,075.19-1,233.77

Finding the Fourth Proportional to 2,228.45, 3,075.19 and 1,233.77

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Solution

The fourth proportional to 2,228.45, 3,075.19 and 1,233.77 is: 1,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.45 : 3,075.19 = 1,233.77 : x
  2. Step 2: Convert to fraction form
    2,228.45/3,075.19 = 1,233.77/x
  3. Step 3: Cross multiply
    2,228.45x = 3,075.19 × 1,233.77
  4. Step 4: Simplify right side
    2,228.45x = 3,794,081.77
  5. Step 5: Solve for x
    x = 3,794,081.77/2,228.45
  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.