Home / 3,278.10-4,907.55-2,894.10

Finding the Fourth Proportional to 3,278.10, 4,907.55 and 2,894.10

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Solution

The fourth proportional to 3,278.10, 4,907.55 and 2,894.10 is: 4,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.10 : 4,907.55 = 2,894.10 : x
  2. Step 2: Convert to fraction form
    3,278.10/4,907.55 = 2,894.10/x
  3. Step 3: Cross multiply
    3,278.10x = 4,907.55 × 2,894.10
  4. Step 4: Simplify right side
    3,278.10x = 14,202,940.46
  5. Step 5: Solve for x
    x = 14,202,940.46/3,278.10
  6. Step 6: Final answer
    x = 4,332.67

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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.