Home / 3,300.80-4,951.68-2,716.40

Finding the Fourth Proportional to 3,300.80, 4,951.68 and 2,716.40

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Solution

The fourth proportional to 3,300.80, 4,951.68 and 2,716.40 is: 4,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.80 : 4,951.68 = 2,716.40 : x
  2. Step 2: Convert to fraction form
    3,300.80/4,951.68 = 2,716.40/x
  3. Step 3: Cross multiply
    3,300.80x = 4,951.68 × 2,716.40
  4. Step 4: Simplify right side
    3,300.80x = 13,450,743.55
  5. Step 5: Solve for x
    x = 13,450,743.55/3,300.80
  6. Step 6: Final answer
    x = 4,075.00

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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.