Home / 3,572.80-4,930.62-2,000.86

Finding the Fourth Proportional to 3,572.80, 4,930.62 and 2,000.86

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Solution

The fourth proportional to 3,572.80, 4,930.62 and 2,000.86 is: 2,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.80 : 4,930.62 = 2,000.86 : x
  2. Step 2: Convert to fraction form
    3,572.80/4,930.62 = 2,000.86/x
  3. Step 3: Cross multiply
    3,572.80x = 4,930.62 × 2,000.86
  4. Step 4: Simplify right side
    3,572.80x = 9,865,480.33
  5. Step 5: Solve for x
    x = 9,865,480.33/3,572.80
  6. Step 6: Final answer
    x = 2,761.27

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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.