Home / 3,693.56-5,097.20-2,201.76

Finding the Fourth Proportional to 3,693.56, 5,097.20 and 2,201.76

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Solution

The fourth proportional to 3,693.56, 5,097.20 and 2,201.76 is: 3,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.56 : 5,097.20 = 2,201.76 : x
  2. Step 2: Convert to fraction form
    3,693.56/5,097.20 = 2,201.76/x
  3. Step 3: Cross multiply
    3,693.56x = 5,097.20 × 2,201.76
  4. Step 4: Simplify right side
    3,693.56x = 11,222,800.06
  5. Step 5: Solve for x
    x = 11,222,800.06/3,693.56
  6. Step 6: Final answer
    x = 3,038.48

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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.