Home / 2,114.48-2,918.09-1,170.27

Finding the Fourth Proportional to 2,114.48, 2,918.09 and 1,170.27

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Solution

The fourth proportional to 2,114.48, 2,918.09 and 1,170.27 is: 1,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.48 : 2,918.09 = 1,170.27 : x
  2. Step 2: Convert to fraction form
    2,114.48/2,918.09 = 1,170.27/x
  3. Step 3: Cross multiply
    2,114.48x = 2,918.09 × 1,170.27
  4. Step 4: Simplify right side
    2,114.48x = 3,414,940.04
  5. Step 5: Solve for x
    x = 3,414,940.04/2,114.48
  6. Step 6: Final answer
    x = 1,615.03

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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.