Home / 3,318.24-4,977.36-1,676.18

Finding the Fourth Proportional to 3,318.24, 4,977.36 and 1,676.18

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Solution

The fourth proportional to 3,318.24, 4,977.36 and 1,676.18 is: 2,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.24 : 4,977.36 = 1,676.18 : x
  2. Step 2: Convert to fraction form
    3,318.24/4,977.36 = 1,676.18/x
  3. Step 3: Cross multiply
    3,318.24x = 4,977.36 × 1,676.18
  4. Step 4: Simplify right side
    3,318.24x = 8,342,951.28
  5. Step 5: Solve for x
    x = 8,342,951.28/3,318.24
  6. Step 6: Final answer
    x = 2,514.27

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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.