Home / 3,088.78-4,636.29-2,739.67

Finding the Fourth Proportional to 3,088.78, 4,636.29 and 2,739.67

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Solution

The fourth proportional to 3,088.78, 4,636.29 and 2,739.67 is: 4,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.78 : 4,636.29 = 2,739.67 : x
  2. Step 2: Convert to fraction form
    3,088.78/4,636.29 = 2,739.67/x
  3. Step 3: Cross multiply
    3,088.78x = 4,636.29 × 2,739.67
  4. Step 4: Simplify right side
    3,088.78x = 12,701,904.62
  5. Step 5: Solve for x
    x = 12,701,904.62/3,088.78
  6. Step 6: Final answer
    x = 4,112.27

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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.