Home / 3,725.12-5,585.84-1,645.84

Finding the Fourth Proportional to 3,725.12, 5,585.84 and 1,645.84

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Solution

The fourth proportional to 3,725.12, 5,585.84 and 1,645.84 is: 2,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.12 : 5,585.84 = 1,645.84 : x
  2. Step 2: Convert to fraction form
    3,725.12/5,585.84 = 1,645.84/x
  3. Step 3: Cross multiply
    3,725.12x = 5,585.84 × 1,645.84
  4. Step 4: Simplify right side
    3,725.12x = 9,193,398.91
  5. Step 5: Solve for x
    x = 9,193,398.91/3,725.12
  6. Step 6: Final answer
    x = 2,467.95

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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.