Home / 3,285.40-4,532.88-2,104.42

Finding the Fourth Proportional to 3,285.40, 4,532.88 and 2,104.42

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Solution

The fourth proportional to 3,285.40, 4,532.88 and 2,104.42 is: 2,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.40 : 4,532.88 = 2,104.42 : x
  2. Step 2: Convert to fraction form
    3,285.40/4,532.88 = 2,104.42/x
  3. Step 3: Cross multiply
    3,285.40x = 4,532.88 × 2,104.42
  4. Step 4: Simplify right side
    3,285.40x = 9,539,083.33
  5. Step 5: Solve for x
    x = 9,539,083.33/3,285.40
  6. Step 6: Final answer
    x = 2,903.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.