Home / 1,483.21-2,226.63-1,424.48

Finding the Fourth Proportional to 1,483.21, 2,226.63 and 1,424.48

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Solution

The fourth proportional to 1,483.21, 2,226.63 and 1,424.48 is: 2,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.21 : 2,226.63 = 1,424.48 : x
  2. Step 2: Convert to fraction form
    1,483.21/2,226.63 = 1,424.48/x
  3. Step 3: Cross multiply
    1,483.21x = 2,226.63 × 1,424.48
  4. Step 4: Simplify right side
    1,483.21x = 3,171,789.90
  5. Step 5: Solve for x
    x = 3,171,789.90/1,483.21
  6. Step 6: Final answer
    x = 2,138.47

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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.