Home / 3,263-4,889.90-1,412.70

Finding the Fourth Proportional to 3,263, 4,889.90 and 1,412.70

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Solution

The fourth proportional to 3,263, 4,889.90 and 1,412.70 is: 2,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263 : 4,889.90 = 1,412.70 : x
  2. Step 2: Convert to fraction form
    3,263/4,889.90 = 1,412.70/x
  3. Step 3: Cross multiply
    3,263x = 4,889.90 × 1,412.70
  4. Step 4: Simplify right side
    3,263x = 6,907,961.73
  5. Step 5: Solve for x
    x = 6,907,961.73/3,263
  6. Step 6: Final answer
    x = 2,117.06

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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.