Home / 2,261.43-3,389.90-1,073.39

Finding the Fourth Proportional to 2,261.43, 3,389.90 and 1,073.39

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Solution

The fourth proportional to 2,261.43, 3,389.90 and 1,073.39 is: 1,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.43 : 3,389.90 = 1,073.39 : x
  2. Step 2: Convert to fraction form
    2,261.43/3,389.90 = 1,073.39/x
  3. Step 3: Cross multiply
    2,261.43x = 3,389.90 × 1,073.39
  4. Step 4: Simplify right side
    2,261.43x = 3,638,668.66
  5. Step 5: Solve for x
    x = 3,638,668.66/2,261.43
  6. Step 6: Final answer
    x = 1,609.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.