Home / 3,580.20-4,940.60-2,008.13

Finding the Fourth Proportional to 3,580.20, 4,940.60 and 2,008.13

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Solution

The fourth proportional to 3,580.20, 4,940.60 and 2,008.13 is: 2,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.20 : 4,940.60 = 2,008.13 : x
  2. Step 2: Convert to fraction form
    3,580.20/4,940.60 = 2,008.13/x
  3. Step 3: Cross multiply
    3,580.20x = 4,940.60 × 2,008.13
  4. Step 4: Simplify right side
    3,580.20x = 9,921,332.33
  5. Step 5: Solve for x
    x = 9,921,332.33/3,580.20
  6. Step 6: Final answer
    x = 2,771.17

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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.