Home / 2,721.70-4,083.90-1,552.60

Finding the Fourth Proportional to 2,721.70, 4,083.90 and 1,552.60

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Solution

The fourth proportional to 2,721.70, 4,083.90 and 1,552.60 is: 2,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.70 : 4,083.90 = 1,552.60 : x
  2. Step 2: Convert to fraction form
    2,721.70/4,083.90 = 1,552.60/x
  3. Step 3: Cross multiply
    2,721.70x = 4,083.90 × 1,552.60
  4. Step 4: Simplify right side
    2,721.70x = 6,340,663.14
  5. Step 5: Solve for x
    x = 6,340,663.14/2,721.70
  6. Step 6: Final answer
    x = 2,329.67

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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.