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Finding the Fourth Proportional to 3,266.15, 4,895.12 and 1,950.87

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Solution

The fourth proportional to 3,266.15, 4,895.12 and 1,950.87 is: 2,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.15 : 4,895.12 = 1,950.87 : x
  2. Step 2: Convert to fraction form
    3,266.15/4,895.12 = 1,950.87/x
  3. Step 3: Cross multiply
    3,266.15x = 4,895.12 × 1,950.87
  4. Step 4: Simplify right side
    3,266.15x = 9,549,756.36
  5. Step 5: Solve for x
    x = 9,549,756.36/3,266.15
  6. Step 6: Final answer
    x = 2,923.86

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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.