Home / 3,069.11-4,235.39-1,671.86

Finding the Fourth Proportional to 3,069.11, 4,235.39 and 1,671.86

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Solution

The fourth proportional to 3,069.11, 4,235.39 and 1,671.86 is: 2,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.11 : 4,235.39 = 1,671.86 : x
  2. Step 2: Convert to fraction form
    3,069.11/4,235.39 = 1,671.86/x
  3. Step 3: Cross multiply
    3,069.11x = 4,235.39 × 1,671.86
  4. Step 4: Simplify right side
    3,069.11x = 7,080,949.59
  5. Step 5: Solve for x
    x = 7,080,949.59/3,069.11
  6. Step 6: Final answer
    x = 2,307.17

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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.