Home / 2,519.68-3,776.32-1,220.48

Finding the Fourth Proportional to 2,519.68, 3,776.32 and 1,220.48

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Solution

The fourth proportional to 2,519.68, 3,776.32 and 1,220.48 is: 1,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.68 : 3,776.32 = 1,220.48 : x
  2. Step 2: Convert to fraction form
    2,519.68/3,776.32 = 1,220.48/x
  3. Step 3: Cross multiply
    2,519.68x = 3,776.32 × 1,220.48
  4. Step 4: Simplify right side
    2,519.68x = 4,608,923.03
  5. Step 5: Solve for x
    x = 4,608,923.03/2,519.68
  6. Step 6: Final answer
    x = 1,829.17

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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.