Home / 2,763.68-3,814.64-1,880.96

Finding the Fourth Proportional to 2,763.68, 3,814.64 and 1,880.96

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Solution

The fourth proportional to 2,763.68, 3,814.64 and 1,880.96 is: 2,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.68 : 3,814.64 = 1,880.96 : x
  2. Step 2: Convert to fraction form
    2,763.68/3,814.64 = 1,880.96/x
  3. Step 3: Cross multiply
    2,763.68x = 3,814.64 × 1,880.96
  4. Step 4: Simplify right side
    2,763.68x = 7,175,185.25
  5. Step 5: Solve for x
    x = 7,175,185.25/2,763.68
  6. Step 6: Final answer
    x = 2,596.24

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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.