Home / 2,066.60-3,080.28-1,949.84

Finding the Fourth Proportional to 2,066.60, 3,080.28 and 1,949.84

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Solution

The fourth proportional to 2,066.60, 3,080.28 and 1,949.84 is: 2,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.60 : 3,080.28 = 1,949.84 : x
  2. Step 2: Convert to fraction form
    2,066.60/3,080.28 = 1,949.84/x
  3. Step 3: Cross multiply
    2,066.60x = 3,080.28 × 1,949.84
  4. Step 4: Simplify right side
    2,066.60x = 6,006,053.16
  5. Step 5: Solve for x
    x = 6,006,053.16/2,066.60
  6. Step 6: Final answer
    x = 2,906.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.