Home / 3,624.30-5,000.70-2,131.65

Finding the Fourth Proportional to 3,624.30, 5,000.70 and 2,131.65

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Solution

The fourth proportional to 3,624.30, 5,000.70 and 2,131.65 is: 2,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.30 : 5,000.70 = 2,131.65 : x
  2. Step 2: Convert to fraction form
    3,624.30/5,000.70 = 2,131.65/x
  3. Step 3: Cross multiply
    3,624.30x = 5,000.70 × 2,131.65
  4. Step 4: Simplify right side
    3,624.30x = 10,659,742.16
  5. Step 5: Solve for x
    x = 10,659,742.16/3,624.30
  6. Step 6: Final answer
    x = 2,941.19

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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.