Home / 2,305.94-3,454.32-1,071.68

Finding the Fourth Proportional to 2,305.94, 3,454.32 and 1,071.68

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Solution

The fourth proportional to 2,305.94, 3,454.32 and 1,071.68 is: 1,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.94 : 3,454.32 = 1,071.68 : x
  2. Step 2: Convert to fraction form
    2,305.94/3,454.32 = 1,071.68/x
  3. Step 3: Cross multiply
    2,305.94x = 3,454.32 × 1,071.68
  4. Step 4: Simplify right side
    2,305.94x = 3,701,925.66
  5. Step 5: Solve for x
    x = 3,701,925.66/2,305.94
  6. Step 6: Final answer
    x = 1,605.39

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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.