Home / 3,954.88-5,457.82-2,560.06

Finding the Fourth Proportional to 3,954.88, 5,457.82 and 2,560.06

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Solution

The fourth proportional to 3,954.88, 5,457.82 and 2,560.06 is: 3,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.88 : 5,457.82 = 2,560.06 : x
  2. Step 2: Convert to fraction form
    3,954.88/5,457.82 = 2,560.06/x
  3. Step 3: Cross multiply
    3,954.88x = 5,457.82 × 2,560.06
  4. Step 4: Simplify right side
    3,954.88x = 13,972,319.38
  5. Step 5: Solve for x
    x = 13,972,319.38/3,954.88
  6. Step 6: Final answer
    x = 3,532.94

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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.