Home / 3,624.44-4,999.32-2,877.21

Finding the Fourth Proportional to 3,624.44, 4,999.32 and 2,877.21

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Solution

The fourth proportional to 3,624.44, 4,999.32 and 2,877.21 is: 3,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.44 : 4,999.32 = 2,877.21 : x
  2. Step 2: Convert to fraction form
    3,624.44/4,999.32 = 2,877.21/x
  3. Step 3: Cross multiply
    3,624.44x = 4,999.32 × 2,877.21
  4. Step 4: Simplify right side
    3,624.44x = 14,384,093.50
  5. Step 5: Solve for x
    x = 14,384,093.50/3,624.44
  6. Step 6: Final answer
    x = 3,968.64

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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.