Home / 3,319.97-4,980.67-1,011.41

Finding the Fourth Proportional to 3,319.97, 4,980.67 and 1,011.41

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Solution

The fourth proportional to 3,319.97, 4,980.67 and 1,011.41 is: 1,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.97 : 4,980.67 = 1,011.41 : x
  2. Step 2: Convert to fraction form
    3,319.97/4,980.67 = 1,011.41/x
  3. Step 3: Cross multiply
    3,319.97x = 4,980.67 × 1,011.41
  4. Step 4: Simplify right side
    3,319.97x = 5,037,499.44
  5. Step 5: Solve for x
    x = 5,037,499.44/3,319.97
  6. Step 6: Final answer
    x = 1,517.33

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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.