Home / 3,370.76-5,047.31-2,709.12

Finding the Fourth Proportional to 3,370.76, 5,047.31 and 2,709.12

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Solution

The fourth proportional to 3,370.76, 5,047.31 and 2,709.12 is: 4,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.76 : 5,047.31 = 2,709.12 : x
  2. Step 2: Convert to fraction form
    3,370.76/5,047.31 = 2,709.12/x
  3. Step 3: Cross multiply
    3,370.76x = 5,047.31 × 2,709.12
  4. Step 4: Simplify right side
    3,370.76x = 13,673,779.97
  5. Step 5: Solve for x
    x = 13,673,779.97/3,370.76
  6. Step 6: Final answer
    x = 4,056.58

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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.