Home / 3,278.90-4,912.87-2,303.25

Finding the Fourth Proportional to 3,278.90, 4,912.87 and 2,303.25

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Solution

The fourth proportional to 3,278.90, 4,912.87 and 2,303.25 is: 3,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.90 : 4,912.87 = 2,303.25 : x
  2. Step 2: Convert to fraction form
    3,278.90/4,912.87 = 2,303.25/x
  3. Step 3: Cross multiply
    3,278.90x = 4,912.87 × 2,303.25
  4. Step 4: Simplify right side
    3,278.90x = 11,315,573.59
  5. Step 5: Solve for x
    x = 11,315,573.59/3,278.90
  6. Step 6: Final answer
    x = 3,451.03

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1.5x scale

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.