Home / 3,108.91-4,663.57-1,259.99

Finding the Fourth Proportional to 3,108.91, 4,663.57 and 1,259.99

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Solution

The fourth proportional to 3,108.91, 4,663.57 and 1,259.99 is: 1,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.91 : 4,663.57 = 1,259.99 : x
  2. Step 2: Convert to fraction form
    3,108.91/4,663.57 = 1,259.99/x
  3. Step 3: Cross multiply
    3,108.91x = 4,663.57 × 1,259.99
  4. Step 4: Simplify right side
    3,108.91x = 5,876,025.10
  5. Step 5: Solve for x
    x = 5,876,025.10/3,108.91
  6. Step 6: Final answer
    x = 1,890.06

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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.