Home / 3,186.99-4,779.60-1,337.73

Finding the Fourth Proportional to 3,186.99, 4,779.60 and 1,337.73

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Solution

The fourth proportional to 3,186.99, 4,779.60 and 1,337.73 is: 2,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.99 : 4,779.60 = 1,337.73 : x
  2. Step 2: Convert to fraction form
    3,186.99/4,779.60 = 1,337.73/x
  3. Step 3: Cross multiply
    3,186.99x = 4,779.60 × 1,337.73
  4. Step 4: Simplify right side
    3,186.99x = 6,393,814.31
  5. Step 5: Solve for x
    x = 6,393,814.31/3,186.99
  6. Step 6: Final answer
    x = 2,006.22

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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.