Home / 3,066.88-4,600.86-1,425.28

Finding the Fourth Proportional to 3,066.88, 4,600.86 and 1,425.28

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Solution

The fourth proportional to 3,066.88, 4,600.86 and 1,425.28 is: 2,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.88 : 4,600.86 = 1,425.28 : x
  2. Step 2: Convert to fraction form
    3,066.88/4,600.86 = 1,425.28/x
  3. Step 3: Cross multiply
    3,066.88x = 4,600.86 × 1,425.28
  4. Step 4: Simplify right side
    3,066.88x = 6,557,513.74
  5. Step 5: Solve for x
    x = 6,557,513.74/3,066.88
  6. Step 6: Final answer
    x = 2,138.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.