Home / 3,836.79-5,750.33-1,643.11

Finding the Fourth Proportional to 3,836.79, 5,750.33 and 1,643.11

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Solution

The fourth proportional to 3,836.79, 5,750.33 and 1,643.11 is: 2,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.79 : 5,750.33 = 1,643.11 : x
  2. Step 2: Convert to fraction form
    3,836.79/5,750.33 = 1,643.11/x
  3. Step 3: Cross multiply
    3,836.79x = 5,750.33 × 1,643.11
  4. Step 4: Simplify right side
    3,836.79x = 9,448,402.13
  5. Step 5: Solve for x
    x = 9,448,402.13/3,836.79
  6. Step 6: Final answer
    x = 2,462.58

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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.