Home / 2,954.81-4,433.76-1,914.55

Finding the Fourth Proportional to 2,954.81, 4,433.76 and 1,914.55

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Solution

The fourth proportional to 2,954.81, 4,433.76 and 1,914.55 is: 2,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.81 : 4,433.76 = 1,914.55 : x
  2. Step 2: Convert to fraction form
    2,954.81/4,433.76 = 1,914.55/x
  3. Step 3: Cross multiply
    2,954.81x = 4,433.76 × 1,914.55
  4. Step 4: Simplify right side
    2,954.81x = 8,488,655.21
  5. Step 5: Solve for x
    x = 8,488,655.21/2,954.81
  6. Step 6: Final answer
    x = 2,872.83

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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.