Home / 3,835.68-5,752.39-1,643.90

Finding the Fourth Proportional to 3,835.68, 5,752.39 and 1,643.90

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Solution

The fourth proportional to 3,835.68, 5,752.39 and 1,643.90 is: 2,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.68 : 5,752.39 = 1,643.90 : x
  2. Step 2: Convert to fraction form
    3,835.68/5,752.39 = 1,643.90/x
  3. Step 3: Cross multiply
    3,835.68x = 5,752.39 × 1,643.90
  4. Step 4: Simplify right side
    3,835.68x = 9,456,353.92
  5. Step 5: Solve for x
    x = 9,456,353.92/3,835.68
  6. Step 6: Final answer
    x = 2,465.37

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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.