Home / 3,321.66-4,983.21-1,013.34

Finding the Fourth Proportional to 3,321.66, 4,983.21 and 1,013.34

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Solution

The fourth proportional to 3,321.66, 4,983.21 and 1,013.34 is: 1,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.66 : 4,983.21 = 1,013.34 : x
  2. Step 2: Convert to fraction form
    3,321.66/4,983.21 = 1,013.34/x
  3. Step 3: Cross multiply
    3,321.66x = 4,983.21 × 1,013.34
  4. Step 4: Simplify right side
    3,321.66x = 5,049,686.02
  5. Step 5: Solve for x
    x = 5,049,686.02/3,321.66
  6. Step 6: Final answer
    x = 1,520.23

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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.