Home / 3,679.07-5,519.21-1,457.24

Finding the Fourth Proportional to 3,679.07, 5,519.21 and 1,457.24

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Solution

The fourth proportional to 3,679.07, 5,519.21 and 1,457.24 is: 2,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.07 : 5,519.21 = 1,457.24 : x
  2. Step 2: Convert to fraction form
    3,679.07/5,519.21 = 1,457.24/x
  3. Step 3: Cross multiply
    3,679.07x = 5,519.21 × 1,457.24
  4. Step 4: Simplify right side
    3,679.07x = 8,042,778.70
  5. Step 5: Solve for x
    x = 8,042,778.70/3,679.07
  6. Step 6: Final answer
    x = 2,186.09

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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.