Home / 3,315.96-4,975.38-1,007.64

Finding the Fourth Proportional to 3,315.96, 4,975.38 and 1,007.64

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Solution

The fourth proportional to 3,315.96, 4,975.38 and 1,007.64 is: 1,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.96 : 4,975.38 = 1,007.64 : x
  2. Step 2: Convert to fraction form
    3,315.96/4,975.38 = 1,007.64/x
  3. Step 3: Cross multiply
    3,315.96x = 4,975.38 × 1,007.64
  4. Step 4: Simplify right side
    3,315.96x = 5,013,391.90
  5. Step 5: Solve for x
    x = 5,013,391.90/3,315.96
  6. Step 6: Final answer
    x = 1,511.90

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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.