Home / 3,066.21-4,230-2,356.79

Finding the Fourth Proportional to 3,066.21, 4,230 and 2,356.79

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Solution

The fourth proportional to 3,066.21, 4,230 and 2,356.79 is: 3,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.21 : 4,230 = 2,356.79 : x
  2. Step 2: Convert to fraction form
    3,066.21/4,230 = 2,356.79/x
  3. Step 3: Cross multiply
    3,066.21x = 4,230 × 2,356.79
  4. Step 4: Simplify right side
    3,066.21x = 9,969,200.55
  5. Step 5: Solve for x
    x = 9,969,200.55/3,066.21
  6. Step 6: Final answer
    x = 3,251.31

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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.