Home / 3,487.26-4,812.82-2,090

Finding the Fourth Proportional to 3,487.26, 4,812.82 and 2,090

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Solution

The fourth proportional to 3,487.26, 4,812.82 and 2,090 is: 2,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.26 : 4,812.82 = 2,090 : x
  2. Step 2: Convert to fraction form
    3,487.26/4,812.82 = 2,090/x
  3. Step 3: Cross multiply
    3,487.26x = 4,812.82 × 2,090
  4. Step 4: Simplify right side
    3,487.26x = 10,058,793.80
  5. Step 5: Solve for x
    x = 10,058,793.80/3,487.26
  6. Step 6: Final answer
    x = 2,884.44

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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.