Home / 3,952.78-5,457.18-2,629.24

Finding the Fourth Proportional to 3,952.78, 5,457.18 and 2,629.24

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Solution

The fourth proportional to 3,952.78, 5,457.18 and 2,629.24 is: 3,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.78 : 5,457.18 = 2,629.24 : x
  2. Step 2: Convert to fraction form
    3,952.78/5,457.18 = 2,629.24/x
  3. Step 3: Cross multiply
    3,952.78x = 5,457.18 × 2,629.24
  4. Step 4: Simplify right side
    3,952.78x = 14,348,235.94
  5. Step 5: Solve for x
    x = 14,348,235.94/3,952.78
  6. Step 6: Final answer
    x = 3,629.91

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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.