Home / 3,012.08-4,512.48-1,775.80

Finding the Fourth Proportional to 3,012.08, 4,512.48 and 1,775.80

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Solution

The fourth proportional to 3,012.08, 4,512.48 and 1,775.80 is: 2,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.08 : 4,512.48 = 1,775.80 : x
  2. Step 2: Convert to fraction form
    3,012.08/4,512.48 = 1,775.80/x
  3. Step 3: Cross multiply
    3,012.08x = 4,512.48 × 1,775.80
  4. Step 4: Simplify right side
    3,012.08x = 8,013,261.98
  5. Step 5: Solve for x
    x = 8,013,261.98/3,012.08
  6. Step 6: Final answer
    x = 2,660.37

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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.