Home / 3,609.96-5,412.99-1,269.36

Finding the Fourth Proportional to 3,609.96, 5,412.99 and 1,269.36

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Solution

The fourth proportional to 3,609.96, 5,412.99 and 1,269.36 is: 1,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.96 : 5,412.99 = 1,269.36 : x
  2. Step 2: Convert to fraction form
    3,609.96/5,412.99 = 1,269.36/x
  3. Step 3: Cross multiply
    3,609.96x = 5,412.99 × 1,269.36
  4. Step 4: Simplify right side
    3,609.96x = 6,871,032.99
  5. Step 5: Solve for x
    x = 6,871,032.99/3,609.96
  6. Step 6: Final answer
    x = 1,903.35

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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.