Home / 3,354.09-5,031.12-1,404.90

Finding the Fourth Proportional to 3,354.09, 5,031.12 and 1,404.90

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Solution

The fourth proportional to 3,354.09, 5,031.12 and 1,404.90 is: 2,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.09 : 5,031.12 = 1,404.90 : x
  2. Step 2: Convert to fraction form
    3,354.09/5,031.12 = 1,404.90/x
  3. Step 3: Cross multiply
    3,354.09x = 5,031.12 × 1,404.90
  4. Step 4: Simplify right side
    3,354.09x = 7,068,220.49
  5. Step 5: Solve for x
    x = 7,068,220.49/3,354.09
  6. Step 6: Final answer
    x = 2,107.34

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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.