Home / 3,108.27-4,663.92-1,260.71

Finding the Fourth Proportional to 3,108.27, 4,663.92 and 1,260.71

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Solution

The fourth proportional to 3,108.27, 4,663.92 and 1,260.71 is: 1,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.27 : 4,663.92 = 1,260.71 : x
  2. Step 2: Convert to fraction form
    3,108.27/4,663.92 = 1,260.71/x
  3. Step 3: Cross multiply
    3,108.27x = 4,663.92 × 1,260.71
  4. Step 4: Simplify right side
    3,108.27x = 5,879,827.26
  5. Step 5: Solve for x
    x = 5,879,827.26/3,108.27
  6. Step 6: Final answer
    x = 1,891.67

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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.