Home / 3,370.11-4,650.90-1,878.03

Finding the Fourth Proportional to 3,370.11, 4,650.90 and 1,878.03

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Solution

The fourth proportional to 3,370.11, 4,650.90 and 1,878.03 is: 2,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.11 : 4,650.90 = 1,878.03 : x
  2. Step 2: Convert to fraction form
    3,370.11/4,650.90 = 1,878.03/x
  3. Step 3: Cross multiply
    3,370.11x = 4,650.90 × 1,878.03
  4. Step 4: Simplify right side
    3,370.11x = 8,734,529.73
  5. Step 5: Solve for x
    x = 8,734,529.73/3,370.11
  6. Step 6: Final answer
    x = 2,591.76

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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.