Home / 3,812.05-5,718.08-1,346.88

Finding the Fourth Proportional to 3,812.05, 5,718.08 and 1,346.88

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Solution

The fourth proportional to 3,812.05, 5,718.08 and 1,346.88 is: 2,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.05 : 5,718.08 = 1,346.88 : x
  2. Step 2: Convert to fraction form
    3,812.05/5,718.08 = 1,346.88/x
  3. Step 3: Cross multiply
    3,812.05x = 5,718.08 × 1,346.88
  4. Step 4: Simplify right side
    3,812.05x = 7,701,567.59
  5. Step 5: Solve for x
    x = 7,701,567.59/3,812.05
  6. Step 6: Final answer
    x = 2,020.32

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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.