Home / 3,281.92-4,908.16-2,975.68

Finding the Fourth Proportional to 3,281.92, 4,908.16 and 2,975.68

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Solution

The fourth proportional to 3,281.92, 4,908.16 and 2,975.68 is: 4,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.92 : 4,908.16 = 2,975.68 : x
  2. Step 2: Convert to fraction form
    3,281.92/4,908.16 = 2,975.68/x
  3. Step 3: Cross multiply
    3,281.92x = 4,908.16 × 2,975.68
  4. Step 4: Simplify right side
    3,281.92x = 14,605,113.55
  5. Step 5: Solve for x
    x = 14,605,113.55/3,281.92
  6. Step 6: Final answer
    x = 4,450.17

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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.