Home / 2,910-4,016.04-1,668.24

Finding the Fourth Proportional to 2,910, 4,016.04 and 1,668.24

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Solution

The fourth proportional to 2,910, 4,016.04 and 1,668.24 is: 2,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910 : 4,016.04 = 1,668.24 : x
  2. Step 2: Convert to fraction form
    2,910/4,016.04 = 1,668.24/x
  3. Step 3: Cross multiply
    2,910x = 4,016.04 × 1,668.24
  4. Step 4: Simplify right side
    2,910x = 6,699,718.57
  5. Step 5: Solve for x
    x = 6,699,718.57/2,910
  6. Step 6: Final answer
    x = 2,302.31

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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.