Home / 3,250.98-4,879.20-1,403.48

Finding the Fourth Proportional to 3,250.98, 4,879.20 and 1,403.48

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Solution

The fourth proportional to 3,250.98, 4,879.20 and 1,403.48 is: 2,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.98 : 4,879.20 = 1,403.48 : x
  2. Step 2: Convert to fraction form
    3,250.98/4,879.20 = 1,403.48/x
  3. Step 3: Cross multiply
    3,250.98x = 4,879.20 × 1,403.48
  4. Step 4: Simplify right side
    3,250.98x = 6,847,835.22
  5. Step 5: Solve for x
    x = 6,847,835.22/3,250.98
  6. Step 6: Final answer
    x = 2,106.39

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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.