Home / 4,269.20-6,405.24-2,049.80

Finding the Fourth Proportional to 4,269.20, 6,405.24 and 2,049.80

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Solution

The fourth proportional to 4,269.20, 6,405.24 and 2,049.80 is: 3,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.20 : 6,405.24 = 2,049.80 : x
  2. Step 2: Convert to fraction form
    4,269.20/6,405.24 = 2,049.80/x
  3. Step 3: Cross multiply
    4,269.20x = 6,405.24 × 2,049.80
  4. Step 4: Simplify right side
    4,269.20x = 13,129,460.95
  5. Step 5: Solve for x
    x = 13,129,460.95/4,269.20
  6. Step 6: Final answer
    x = 3,075.39

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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.