Home / 2,954.67-4,431.69-1,855.77

Finding the Fourth Proportional to 2,954.67, 4,431.69 and 1,855.77

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Solution

The fourth proportional to 2,954.67, 4,431.69 and 1,855.77 is: 2,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.67 : 4,431.69 = 1,855.77 : x
  2. Step 2: Convert to fraction form
    2,954.67/4,431.69 = 1,855.77/x
  3. Step 3: Cross multiply
    2,954.67x = 4,431.69 × 1,855.77
  4. Step 4: Simplify right side
    2,954.67x = 8,224,197.35
  5. Step 5: Solve for x
    x = 8,224,197.35/2,954.67
  6. Step 6: Final answer
    x = 2,783.46

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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.