Home / 3,535.22-4,879.50-2,208.98

Finding the Fourth Proportional to 3,535.22, 4,879.50 and 2,208.98

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Solution

The fourth proportional to 3,535.22, 4,879.50 and 2,208.98 is: 3,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.22 : 4,879.50 = 2,208.98 : x
  2. Step 2: Convert to fraction form
    3,535.22/4,879.50 = 2,208.98/x
  3. Step 3: Cross multiply
    3,535.22x = 4,879.50 × 2,208.98
  4. Step 4: Simplify right side
    3,535.22x = 10,778,717.91
  5. Step 5: Solve for x
    x = 10,778,717.91/3,535.22
  6. Step 6: Final answer
    x = 3,048.95

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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.