Home / 3,003.28-4,140.10-1,940.96

Finding the Fourth Proportional to 3,003.28, 4,140.10 and 1,940.96

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Solution

The fourth proportional to 3,003.28, 4,140.10 and 1,940.96 is: 2,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.28 : 4,140.10 = 1,940.96 : x
  2. Step 2: Convert to fraction form
    3,003.28/4,140.10 = 1,940.96/x
  3. Step 3: Cross multiply
    3,003.28x = 4,140.10 × 1,940.96
  4. Step 4: Simplify right side
    3,003.28x = 8,035,768.50
  5. Step 5: Solve for x
    x = 8,035,768.50/3,003.28
  6. Step 6: Final answer
    x = 2,675.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.