Home / 2,305.19-3,457.79-1,072.96

Finding the Fourth Proportional to 2,305.19, 3,457.79 and 1,072.96

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Solution

The fourth proportional to 2,305.19, 3,457.79 and 1,072.96 is: 1,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.19 : 3,457.79 = 1,072.96 : x
  2. Step 2: Convert to fraction form
    2,305.19/3,457.79 = 1,072.96/x
  3. Step 3: Cross multiply
    2,305.19x = 3,457.79 × 1,072.96
  4. Step 4: Simplify right side
    2,305.19x = 3,710,079.82
  5. Step 5: Solve for x
    x = 3,710,079.82/2,305.19
  6. Step 6: Final answer
    x = 1,609.44

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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.