Home / 3,144.12-4,716.17-1,681.26

Finding the Fourth Proportional to 3,144.12, 4,716.17 and 1,681.26

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Solution

The fourth proportional to 3,144.12, 4,716.17 and 1,681.26 is: 2,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.12 : 4,716.17 = 1,681.26 : x
  2. Step 2: Convert to fraction form
    3,144.12/4,716.17 = 1,681.26/x
  3. Step 3: Cross multiply
    3,144.12x = 4,716.17 × 1,681.26
  4. Step 4: Simplify right side
    3,144.12x = 7,929,088.60
  5. Step 5: Solve for x
    x = 7,929,088.60/3,144.12
  6. Step 6: Final answer
    x = 2,521.88

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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.