Home / 3,160.57-4,741.42-1,311.83

Finding the Fourth Proportional to 3,160.57, 4,741.42 and 1,311.83

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Solution

The fourth proportional to 3,160.57, 4,741.42 and 1,311.83 is: 1,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.57 : 4,741.42 = 1,311.83 : x
  2. Step 2: Convert to fraction form
    3,160.57/4,741.42 = 1,311.83/x
  3. Step 3: Cross multiply
    3,160.57x = 4,741.42 × 1,311.83
  4. Step 4: Simplify right side
    3,160.57x = 6,219,945.57
  5. Step 5: Solve for x
    x = 6,219,945.57/3,160.57
  6. Step 6: Final answer
    x = 1,967.98

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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.