Home / 3,168.16-4,751.76-976.48

Finding the Fourth Proportional to 3,168.16, 4,751.76 and 976.48

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Solution

The fourth proportional to 3,168.16, 4,751.76 and 976.48 is: 1,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.16 : 4,751.76 = 976.48 : x
  2. Step 2: Convert to fraction form
    3,168.16/4,751.76 = 976.48/x
  3. Step 3: Cross multiply
    3,168.16x = 4,751.76 × 976.48
  4. Step 4: Simplify right side
    3,168.16x = 4,639,998.60
  5. Step 5: Solve for x
    x = 4,639,998.60/3,168.16
  6. Step 6: Final answer
    x = 1,464.57

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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.