Home / 3,427.06-5,139.60-1,234.60

Finding the Fourth Proportional to 3,427.06, 5,139.60 and 1,234.60

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Solution

The fourth proportional to 3,427.06, 5,139.60 and 1,234.60 is: 1,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.06 : 5,139.60 = 1,234.60 : x
  2. Step 2: Convert to fraction form
    3,427.06/5,139.60 = 1,234.60/x
  3. Step 3: Cross multiply
    3,427.06x = 5,139.60 × 1,234.60
  4. Step 4: Simplify right side
    3,427.06x = 6,345,350.16
  5. Step 5: Solve for x
    x = 6,345,350.16/3,427.06
  6. Step 6: Final answer
    x = 1,851.54

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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.