Home / 3,108.71-4,663.03-1,259.79

Finding the Fourth Proportional to 3,108.71, 4,663.03 and 1,259.79

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Solution

The fourth proportional to 3,108.71, 4,663.03 and 1,259.79 is: 1,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.71 : 4,663.03 = 1,259.79 : x
  2. Step 2: Convert to fraction form
    3,108.71/4,663.03 = 1,259.79/x
  3. Step 3: Cross multiply
    3,108.71x = 4,663.03 × 1,259.79
  4. Step 4: Simplify right side
    3,108.71x = 5,874,438.56
  5. Step 5: Solve for x
    x = 5,874,438.56/3,108.71
  6. Step 6: Final answer
    x = 1,889.67

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1.5x scale

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.