Home / 3,265.30-4,895.10-1,945.80

Finding the Fourth Proportional to 3,265.30, 4,895.10 and 1,945.80

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Solution

The fourth proportional to 3,265.30, 4,895.10 and 1,945.80 is: 2,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.30 : 4,895.10 = 1,945.80 : x
  2. Step 2: Convert to fraction form
    3,265.30/4,895.10 = 1,945.80/x
  3. Step 3: Cross multiply
    3,265.30x = 4,895.10 × 1,945.80
  4. Step 4: Simplify right side
    3,265.30x = 9,524,885.58
  5. Step 5: Solve for x
    x = 9,524,885.58/3,265.30
  6. Step 6: Final answer
    x = 2,917.00

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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.