Home / 3,918.36-5,850-2,988.96

Finding the Fourth Proportional to 3,918.36, 5,850 and 2,988.96

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Solution

The fourth proportional to 3,918.36, 5,850 and 2,988.96 is: 4,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.36 : 5,850 = 2,988.96 : x
  2. Step 2: Convert to fraction form
    3,918.36/5,850 = 2,988.96/x
  3. Step 3: Cross multiply
    3,918.36x = 5,850 × 2,988.96
  4. Step 4: Simplify right side
    3,918.36x = 17,485,416
  5. Step 5: Solve for x
    x = 17,485,416/3,918.36
  6. Step 6: Final answer
    x = 4,462.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.