Home / 3,746.85-5,615.90-2,819.43

Finding the Fourth Proportional to 3,746.85, 5,615.90 and 2,819.43

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Solution

The fourth proportional to 3,746.85, 5,615.90 and 2,819.43 is: 4,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.85 : 5,615.90 = 2,819.43 : x
  2. Step 2: Convert to fraction form
    3,746.85/5,615.90 = 2,819.43/x
  3. Step 3: Cross multiply
    3,746.85x = 5,615.90 × 2,819.43
  4. Step 4: Simplify right side
    3,746.85x = 15,833,636.94
  5. Step 5: Solve for x
    x = 15,833,636.94/3,746.85
  6. Step 6: Final answer
    x = 4,225.85

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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.