Home / 2,780.60-4,175.67-2,468.96

Finding the Fourth Proportional to 2,780.60, 4,175.67 and 2,468.96

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Solution

The fourth proportional to 2,780.60, 4,175.67 and 2,468.96 is: 3,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.60 : 4,175.67 = 2,468.96 : x
  2. Step 2: Convert to fraction form
    2,780.60/4,175.67 = 2,468.96/x
  3. Step 3: Cross multiply
    2,780.60x = 4,175.67 × 2,468.96
  4. Step 4: Simplify right side
    2,780.60x = 10,309,550.58
  5. Step 5: Solve for x
    x = 10,309,550.58/2,780.60
  6. Step 6: Final answer
    x = 3,707.67

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1.5x scale

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.