Home / 3,186.03-4,779.30-1,337.72

Finding the Fourth Proportional to 3,186.03, 4,779.30 and 1,337.72

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Solution

The fourth proportional to 3,186.03, 4,779.30 and 1,337.72 is: 2,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.03 : 4,779.30 = 1,337.72 : x
  2. Step 2: Convert to fraction form
    3,186.03/4,779.30 = 1,337.72/x
  3. Step 3: Cross multiply
    3,186.03x = 4,779.30 × 1,337.72
  4. Step 4: Simplify right side
    3,186.03x = 6,393,341.30
  5. Step 5: Solve for x
    x = 6,393,341.30/3,186.03
  6. Step 6: Final answer
    x = 2,006.68

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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.