Home / 3,661.40-5,491.53-1,196.21

Finding the Fourth Proportional to 3,661.40, 5,491.53 and 1,196.21

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Solution

The fourth proportional to 3,661.40, 5,491.53 and 1,196.21 is: 1,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.40 : 5,491.53 = 1,196.21 : x
  2. Step 2: Convert to fraction form
    3,661.40/5,491.53 = 1,196.21/x
  3. Step 3: Cross multiply
    3,661.40x = 5,491.53 × 1,196.21
  4. Step 4: Simplify right side
    3,661.40x = 6,569,003.26
  5. Step 5: Solve for x
    x = 6,569,003.26/3,661.40
  6. Step 6: Final answer
    x = 1,794.12

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1.5x scale

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.