Home / 3,285.60-4,929.84-1,725.23

Finding the Fourth Proportional to 3,285.60, 4,929.84 and 1,725.23

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Solution

The fourth proportional to 3,285.60, 4,929.84 and 1,725.23 is: 2,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.60 : 4,929.84 = 1,725.23 : x
  2. Step 2: Convert to fraction form
    3,285.60/4,929.84 = 1,725.23/x
  3. Step 3: Cross multiply
    3,285.60x = 4,929.84 × 1,725.23
  4. Step 4: Simplify right side
    3,285.60x = 8,505,083.21
  5. Step 5: Solve for x
    x = 8,505,083.21/3,285.60
  6. Step 6: Final answer
    x = 2,588.59

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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.