Home / 3,835.19-5,751.64-1,643.40

Finding the Fourth Proportional to 3,835.19, 5,751.64 and 1,643.40

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Solution

The fourth proportional to 3,835.19, 5,751.64 and 1,643.40 is: 2,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.19 : 5,751.64 = 1,643.40 : x
  2. Step 2: Convert to fraction form
    3,835.19/5,751.64 = 1,643.40/x
  3. Step 3: Cross multiply
    3,835.19x = 5,751.64 × 1,643.40
  4. Step 4: Simplify right side
    3,835.19x = 9,452,236.96
  5. Step 5: Solve for x
    x = 9,452,236.96/3,835.19
  6. Step 6: Final answer
    x = 2,464.61

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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.