Home / 3,686.64-5,087.56-2,194.56

Finding the Fourth Proportional to 3,686.64, 5,087.56 and 2,194.56

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Solution

The fourth proportional to 3,686.64, 5,087.56 and 2,194.56 is: 3,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.64 : 5,087.56 = 2,194.56 : x
  2. Step 2: Convert to fraction form
    3,686.64/5,087.56 = 2,194.56/x
  3. Step 3: Cross multiply
    3,686.64x = 5,087.56 × 2,194.56
  4. Step 4: Simplify right side
    3,686.64x = 11,164,955.67
  5. Step 5: Solve for x
    x = 11,164,955.67/3,686.64
  6. Step 6: Final answer
    x = 3,028.49

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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.