Home / 3,328.44-4,592.76-1,912.20

Finding the Fourth Proportional to 3,328.44, 4,592.76 and 1,912.20

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Solution

The fourth proportional to 3,328.44, 4,592.76 and 1,912.20 is: 2,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.44 : 4,592.76 = 1,912.20 : x
  2. Step 2: Convert to fraction form
    3,328.44/4,592.76 = 1,912.20/x
  3. Step 3: Cross multiply
    3,328.44x = 4,592.76 × 1,912.20
  4. Step 4: Simplify right side
    3,328.44x = 8,782,275.67
  5. Step 5: Solve for x
    x = 8,782,275.67/3,328.44
  6. Step 6: Final answer
    x = 2,638.56

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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.