Home / 3,686.64-5,088.60-2,194.08

Finding the Fourth Proportional to 3,686.64, 5,088.60 and 2,194.08

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Solution

The fourth proportional to 3,686.64, 5,088.60 and 2,194.08 is: 3,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.64 : 5,088.60 = 2,194.08 : x
  2. Step 2: Convert to fraction form
    3,686.64/5,088.60 = 2,194.08/x
  3. Step 3: Cross multiply
    3,686.64x = 5,088.60 × 2,194.08
  4. Step 4: Simplify right side
    3,686.64x = 11,164,795.49
  5. Step 5: Solve for x
    x = 11,164,795.49/3,686.64
  6. Step 6: Final answer
    x = 3,028.45

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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.