Home / 3,354.74-5,031.98-1,379.82

Finding the Fourth Proportional to 3,354.74, 5,031.98 and 1,379.82

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Solution

The fourth proportional to 3,354.74, 5,031.98 and 1,379.82 is: 2,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.74 : 5,031.98 = 1,379.82 : x
  2. Step 2: Convert to fraction form
    3,354.74/5,031.98 = 1,379.82/x
  3. Step 3: Cross multiply
    3,354.74x = 5,031.98 × 1,379.82
  4. Step 4: Simplify right side
    3,354.74x = 6,943,194.58
  5. Step 5: Solve for x
    x = 6,943,194.58/3,354.74
  6. Step 6: Final answer
    x = 2,069.67

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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.