Home / 3,370.69-4,654.42-2,113.85

Finding the Fourth Proportional to 3,370.69, 4,654.42 and 2,113.85

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Solution

The fourth proportional to 3,370.69, 4,654.42 and 2,113.85 is: 2,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.69 : 4,654.42 = 2,113.85 : x
  2. Step 2: Convert to fraction form
    3,370.69/4,654.42 = 2,113.85/x
  3. Step 3: Cross multiply
    3,370.69x = 4,654.42 × 2,113.85
  4. Step 4: Simplify right side
    3,370.69x = 9,838,735.15
  5. Step 5: Solve for x
    x = 9,838,735.15/3,370.69
  6. Step 6: Final answer
    x = 2,918.91

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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.