Home / 2,918.55-4,375.77-1,456.67

Finding the Fourth Proportional to 2,918.55, 4,375.77 and 1,456.67

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Solution

The fourth proportional to 2,918.55, 4,375.77 and 1,456.67 is: 2,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.55 : 4,375.77 = 1,456.67 : x
  2. Step 2: Convert to fraction form
    2,918.55/4,375.77 = 1,456.67/x
  3. Step 3: Cross multiply
    2,918.55x = 4,375.77 × 1,456.67
  4. Step 4: Simplify right side
    2,918.55x = 6,374,052.89
  5. Step 5: Solve for x
    x = 6,374,052.89/2,918.55
  6. Step 6: Final answer
    x = 2,183.98

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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.