Home / 2,996.38-4,135.08-1,817.56

Finding the Fourth Proportional to 2,996.38, 4,135.08 and 1,817.56

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Solution

The fourth proportional to 2,996.38, 4,135.08 and 1,817.56 is: 2,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.38 : 4,135.08 = 1,817.56 : x
  2. Step 2: Convert to fraction form
    2,996.38/4,135.08 = 1,817.56/x
  3. Step 3: Cross multiply
    2,996.38x = 4,135.08 × 1,817.56
  4. Step 4: Simplify right side
    2,996.38x = 7,515,756.00
  5. Step 5: Solve for x
    x = 7,515,756.00/2,996.38
  6. Step 6: Final answer
    x = 2,508.28

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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.