Home / 2,762.18-3,819.30-2,717.68

Finding the Fourth Proportional to 2,762.18, 3,819.30 and 2,717.68

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Solution

The fourth proportional to 2,762.18, 3,819.30 and 2,717.68 is: 3,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.18 : 3,819.30 = 2,717.68 : x
  2. Step 2: Convert to fraction form
    2,762.18/3,819.30 = 2,717.68/x
  3. Step 3: Cross multiply
    2,762.18x = 3,819.30 × 2,717.68
  4. Step 4: Simplify right side
    2,762.18x = 10,379,635.22
  5. Step 5: Solve for x
    x = 10,379,635.22/2,762.18
  6. Step 6: Final answer
    x = 3,757.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.