Home / 3,148.19-4,722.44-1,200.55

Finding the Fourth Proportional to 3,148.19, 4,722.44 and 1,200.55

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Solution

The fourth proportional to 3,148.19, 4,722.44 and 1,200.55 is: 1,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.19 : 4,722.44 = 1,200.55 : x
  2. Step 2: Convert to fraction form
    3,148.19/4,722.44 = 1,200.55/x
  3. Step 3: Cross multiply
    3,148.19x = 4,722.44 × 1,200.55
  4. Step 4: Simplify right side
    3,148.19x = 5,669,525.34
  5. Step 5: Solve for x
    x = 5,669,525.34/3,148.19
  6. Step 6: Final answer
    x = 1,800.88

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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.