Home / 3,004.92-4,146.76-1,678.62

Finding the Fourth Proportional to 3,004.92, 4,146.76 and 1,678.62

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Solution

The fourth proportional to 3,004.92, 4,146.76 and 1,678.62 is: 2,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.92 : 4,146.76 = 1,678.62 : x
  2. Step 2: Convert to fraction form
    3,004.92/4,146.76 = 1,678.62/x
  3. Step 3: Cross multiply
    3,004.92x = 4,146.76 × 1,678.62
  4. Step 4: Simplify right side
    3,004.92x = 6,960,834.27
  5. Step 5: Solve for x
    x = 6,960,834.27/3,004.92
  6. Step 6: Final answer
    x = 2,316.48

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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.