Home / 3,624.08-4,999.55-2,131.05

Finding the Fourth Proportional to 3,624.08, 4,999.55 and 2,131.05

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Solution

The fourth proportional to 3,624.08, 4,999.55 and 2,131.05 is: 2,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.08 : 4,999.55 = 2,131.05 : x
  2. Step 2: Convert to fraction form
    3,624.08/4,999.55 = 2,131.05/x
  3. Step 3: Cross multiply
    3,624.08x = 4,999.55 × 2,131.05
  4. Step 4: Simplify right side
    3,624.08x = 10,654,280.37
  5. Step 5: Solve for x
    x = 10,654,280.37/3,624.08
  6. Step 6: Final answer
    x = 2,939.86

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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.