Home / 3,624.22-4,999.15-2,783.65

Finding the Fourth Proportional to 3,624.22, 4,999.15 and 2,783.65

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Solution

The fourth proportional to 3,624.22, 4,999.15 and 2,783.65 is: 3,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.22 : 4,999.15 = 2,783.65 : x
  2. Step 2: Convert to fraction form
    3,624.22/4,999.15 = 2,783.65/x
  3. Step 3: Cross multiply
    3,624.22x = 4,999.15 × 2,783.65
  4. Step 4: Simplify right side
    3,624.22x = 13,915,883.90
  5. Step 5: Solve for x
    x = 13,915,883.90/3,624.22
  6. Step 6: Final answer
    x = 3,839.69

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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.