Home / 3,038.99-4,555.44-2,620.82

Finding the Fourth Proportional to 3,038.99, 4,555.44 and 2,620.82

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Solution

The fourth proportional to 3,038.99, 4,555.44 and 2,620.82 is: 3,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.99 : 4,555.44 = 2,620.82 : x
  2. Step 2: Convert to fraction form
    3,038.99/4,555.44 = 2,620.82/x
  3. Step 3: Cross multiply
    3,038.99x = 4,555.44 × 2,620.82
  4. Step 4: Simplify right side
    3,038.99x = 11,938,999.65
  5. Step 5: Solve for x
    x = 11,938,999.65/3,038.99
  6. Step 6: Final answer
    x = 3,928.61

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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.