Home / 3,318.37-4,576.91-2,897.83

Finding the Fourth Proportional to 3,318.37, 4,576.91 and 2,897.83

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Solution

The fourth proportional to 3,318.37, 4,576.91 and 2,897.83 is: 3,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.37 : 4,576.91 = 2,897.83 : x
  2. Step 2: Convert to fraction form
    3,318.37/4,576.91 = 2,897.83/x
  3. Step 3: Cross multiply
    3,318.37x = 4,576.91 × 2,897.83
  4. Step 4: Simplify right side
    3,318.37x = 13,263,072.59
  5. Step 5: Solve for x
    x = 13,263,072.59/3,318.37
  6. Step 6: Final answer
    x = 3,996.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.