Home / 2,405.67-3,609.48-1,235.08

Finding the Fourth Proportional to 2,405.67, 3,609.48 and 1,235.08

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Solution

The fourth proportional to 2,405.67, 3,609.48 and 1,235.08 is: 1,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.67 : 3,609.48 = 1,235.08 : x
  2. Step 2: Convert to fraction form
    2,405.67/3,609.48 = 1,235.08/x
  3. Step 3: Cross multiply
    2,405.67x = 3,609.48 × 1,235.08
  4. Step 4: Simplify right side
    2,405.67x = 4,457,996.56
  5. Step 5: Solve for x
    x = 4,457,996.56/2,405.67
  6. Step 6: Final answer
    x = 1,853.12

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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.