Home / 3,421.98-5,127.30-3,073.32

Finding the Fourth Proportional to 3,421.98, 5,127.30 and 3,073.32

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Solution

The fourth proportional to 3,421.98, 5,127.30 and 3,073.32 is: 4,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.98 : 5,127.30 = 3,073.32 : x
  2. Step 2: Convert to fraction form
    3,421.98/5,127.30 = 3,073.32/x
  3. Step 3: Cross multiply
    3,421.98x = 5,127.30 × 3,073.32
  4. Step 4: Simplify right side
    3,421.98x = 15,757,833.64
  5. Step 5: Solve for x
    x = 15,757,833.64/3,421.98
  6. Step 6: Final answer
    x = 4,604.89

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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.