Home / 3,954.35-5,457.44-2,519.74

Finding the Fourth Proportional to 3,954.35, 5,457.44 and 2,519.74

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Solution

The fourth proportional to 3,954.35, 5,457.44 and 2,519.74 is: 3,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.35 : 5,457.44 = 2,519.74 : x
  2. Step 2: Convert to fraction form
    3,954.35/5,457.44 = 2,519.74/x
  3. Step 3: Cross multiply
    3,954.35x = 5,457.44 × 2,519.74
  4. Step 4: Simplify right side
    3,954.35x = 13,751,342.99
  5. Step 5: Solve for x
    x = 13,751,342.99/3,954.35
  6. Step 6: Final answer
    x = 3,477.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.