Home / 2,995.21-4,133.13-1,668.89

Finding the Fourth Proportional to 2,995.21, 4,133.13 and 1,668.89

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Solution

The fourth proportional to 2,995.21, 4,133.13 and 1,668.89 is: 2,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.21 : 4,133.13 = 1,668.89 : x
  2. Step 2: Convert to fraction form
    2,995.21/4,133.13 = 1,668.89/x
  3. Step 3: Cross multiply
    2,995.21x = 4,133.13 × 1,668.89
  4. Step 4: Simplify right side
    2,995.21x = 6,897,739.33
  5. Step 5: Solve for x
    x = 6,897,739.33/2,995.21
  6. Step 6: Final answer
    x = 2,302.92

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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.