Home / 2,975.06-4,463.20-1,243.69

Finding the Fourth Proportional to 2,975.06, 4,463.20 and 1,243.69

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Solution

The fourth proportional to 2,975.06, 4,463.20 and 1,243.69 is: 1,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.06 : 4,463.20 = 1,243.69 : x
  2. Step 2: Convert to fraction form
    2,975.06/4,463.20 = 1,243.69/x
  3. Step 3: Cross multiply
    2,975.06x = 4,463.20 × 1,243.69
  4. Step 4: Simplify right side
    2,975.06x = 5,550,827.60
  5. Step 5: Solve for x
    x = 5,550,827.60/2,975.06
  6. Step 6: Final answer
    x = 1,865.79

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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.