Home / 3,816.51-5,724.69-1,219.38

Finding the Fourth Proportional to 3,816.51, 5,724.69 and 1,219.38

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Solution

The fourth proportional to 3,816.51, 5,724.69 and 1,219.38 is: 1,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.51 : 5,724.69 = 1,219.38 : x
  2. Step 2: Convert to fraction form
    3,816.51/5,724.69 = 1,219.38/x
  3. Step 3: Cross multiply
    3,816.51x = 5,724.69 × 1,219.38
  4. Step 4: Simplify right side
    3,816.51x = 6,980,572.49
  5. Step 5: Solve for x
    x = 6,980,572.49/3,816.51
  6. Step 6: Final answer
    x = 1,829.05

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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.