Home / 3,148.08-4,722.28-1,200.48

Finding the Fourth Proportional to 3,148.08, 4,722.28 and 1,200.48

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Solution

The fourth proportional to 3,148.08, 4,722.28 and 1,200.48 is: 1,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.08 : 4,722.28 = 1,200.48 : x
  2. Step 2: Convert to fraction form
    3,148.08/4,722.28 = 1,200.48/x
  3. Step 3: Cross multiply
    3,148.08x = 4,722.28 × 1,200.48
  4. Step 4: Simplify right side
    3,148.08x = 5,669,002.69
  5. Step 5: Solve for x
    x = 5,669,002.69/3,148.08
  6. Step 6: Final answer
    x = 1,800.78

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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.