Home / 3,531.09-5,297.40-1,191.16

Finding the Fourth Proportional to 3,531.09, 5,297.40 and 1,191.16

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Solution

The fourth proportional to 3,531.09, 5,297.40 and 1,191.16 is: 1,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.09 : 5,297.40 = 1,191.16 : x
  2. Step 2: Convert to fraction form
    3,531.09/5,297.40 = 1,191.16/x
  3. Step 3: Cross multiply
    3,531.09x = 5,297.40 × 1,191.16
  4. Step 4: Simplify right side
    3,531.09x = 6,310,027.81
  5. Step 5: Solve for x
    x = 6,310,027.81/3,531.09
  6. Step 6: Final answer
    x = 1,786.99

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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.