Home / 3,693.84-5,097.47-2,201.78

Finding the Fourth Proportional to 3,693.84, 5,097.47 and 2,201.78

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Solution

The fourth proportional to 3,693.84, 5,097.47 and 2,201.78 is: 3,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.84 : 5,097.47 = 2,201.78 : x
  2. Step 2: Convert to fraction form
    3,693.84/5,097.47 = 2,201.78/x
  3. Step 3: Cross multiply
    3,693.84x = 5,097.47 × 2,201.78
  4. Step 4: Simplify right side
    3,693.84x = 11,223,471.00
  5. Step 5: Solve for x
    x = 11,223,471.00/3,693.84
  6. Step 6: Final answer
    x = 3,038.43

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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.