Home / 2,996.90-4,496.37-1,242.75

Finding the Fourth Proportional to 2,996.90, 4,496.37 and 1,242.75

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Solution

The fourth proportional to 2,996.90, 4,496.37 and 1,242.75 is: 1,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.90 : 4,496.37 = 1,242.75 : x
  2. Step 2: Convert to fraction form
    2,996.90/4,496.37 = 1,242.75/x
  3. Step 3: Cross multiply
    2,996.90x = 4,496.37 × 1,242.75
  4. Step 4: Simplify right side
    2,996.90x = 5,587,835.12
  5. Step 5: Solve for x
    x = 5,587,835.12/2,996.90
  6. Step 6: Final answer
    x = 1,864.54

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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.