Home / 2,228.56-3,075.34-1,233.80

Finding the Fourth Proportional to 2,228.56, 3,075.34 and 1,233.80

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Solution

The fourth proportional to 2,228.56, 3,075.34 and 1,233.80 is: 1,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.56 : 3,075.34 = 1,233.80 : x
  2. Step 2: Convert to fraction form
    2,228.56/3,075.34 = 1,233.80/x
  3. Step 3: Cross multiply
    2,228.56x = 3,075.34 × 1,233.80
  4. Step 4: Simplify right side
    2,228.56x = 3,794,354.49
  5. Step 5: Solve for x
    x = 3,794,354.49/2,228.56
  6. Step 6: Final answer
    x = 1,702.60

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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.