Home / 4,131.66-6,196.48-1,665.21

Finding the Fourth Proportional to 4,131.66, 6,196.48 and 1,665.21

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Solution

The fourth proportional to 4,131.66, 6,196.48 and 1,665.21 is: 2,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.66 : 6,196.48 = 1,665.21 : x
  2. Step 2: Convert to fraction form
    4,131.66/6,196.48 = 1,665.21/x
  3. Step 3: Cross multiply
    4,131.66x = 6,196.48 × 1,665.21
  4. Step 4: Simplify right side
    4,131.66x = 10,318,440.46
  5. Step 5: Solve for x
    x = 10,318,440.46/4,131.66
  6. Step 6: Final answer
    x = 2,497.41

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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.