Home / 3,370.33-5,056.53-1,520.95

Finding the Fourth Proportional to 3,370.33, 5,056.53 and 1,520.95

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Solution

The fourth proportional to 3,370.33, 5,056.53 and 1,520.95 is: 2,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.33 : 5,056.53 = 1,520.95 : x
  2. Step 2: Convert to fraction form
    3,370.33/5,056.53 = 1,520.95/x
  3. Step 3: Cross multiply
    3,370.33x = 5,056.53 × 1,520.95
  4. Step 4: Simplify right side
    3,370.33x = 7,690,734.66
  5. Step 5: Solve for x
    x = 7,690,734.66/3,370.33
  6. Step 6: Final answer
    x = 2,281.89

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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.