Home / 3,108.12-4,665.54-1,260.48

Finding the Fourth Proportional to 3,108.12, 4,665.54 and 1,260.48

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Solution

The fourth proportional to 3,108.12, 4,665.54 and 1,260.48 is: 1,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.12 : 4,665.54 = 1,260.48 : x
  2. Step 2: Convert to fraction form
    3,108.12/4,665.54 = 1,260.48/x
  3. Step 3: Cross multiply
    3,108.12x = 4,665.54 × 1,260.48
  4. Step 4: Simplify right side
    3,108.12x = 5,880,819.86
  5. Step 5: Solve for x
    x = 5,880,819.86/3,108.12
  6. Step 6: Final answer
    x = 1,892.08

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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.