Home / 3,270.60-4,907.72-1,809.56

Finding the Fourth Proportional to 3,270.60, 4,907.72 and 1,809.56

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Solution

The fourth proportional to 3,270.60, 4,907.72 and 1,809.56 is: 2,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.60 : 4,907.72 = 1,809.56 : x
  2. Step 2: Convert to fraction form
    3,270.60/4,907.72 = 1,809.56/x
  3. Step 3: Cross multiply
    3,270.60x = 4,907.72 × 1,809.56
  4. Step 4: Simplify right side
    3,270.60x = 8,880,830.60
  5. Step 5: Solve for x
    x = 8,880,830.60/3,270.60
  6. Step 6: Final answer
    x = 2,715.35

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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.