Home / 3,271.68-4,900.32-2,113.92

Finding the Fourth Proportional to 3,271.68, 4,900.32 and 2,113.92

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Solution

The fourth proportional to 3,271.68, 4,900.32 and 2,113.92 is: 3,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.68 : 4,900.32 = 2,113.92 : x
  2. Step 2: Convert to fraction form
    3,271.68/4,900.32 = 2,113.92/x
  3. Step 3: Cross multiply
    3,271.68x = 4,900.32 × 2,113.92
  4. Step 4: Simplify right side
    3,271.68x = 10,358,884.45
  5. Step 5: Solve for x
    x = 10,358,884.45/3,271.68
  6. Step 6: Final answer
    x = 3,166.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.