Home / 3,624.68-5,000.40-2,132.72

Finding the Fourth Proportional to 3,624.68, 5,000.40 and 2,132.72

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Solution

The fourth proportional to 3,624.68, 5,000.40 and 2,132.72 is: 2,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.68 : 5,000.40 = 2,132.72 : x
  2. Step 2: Convert to fraction form
    3,624.68/5,000.40 = 2,132.72/x
  3. Step 3: Cross multiply
    3,624.68x = 5,000.40 × 2,132.72
  4. Step 4: Simplify right side
    3,624.68x = 10,664,453.09
  5. Step 5: Solve for x
    x = 10,664,453.09/3,624.68
  6. Step 6: Final answer
    x = 2,942.18

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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.