Home / 3,955.88-5,459.20-2,561.06

Finding the Fourth Proportional to 3,955.88, 5,459.20 and 2,561.06

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Solution

The fourth proportional to 3,955.88, 5,459.20 and 2,561.06 is: 3,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.88 : 5,459.20 = 2,561.06 : x
  2. Step 2: Convert to fraction form
    3,955.88/5,459.20 = 2,561.06/x
  3. Step 3: Cross multiply
    3,955.88x = 5,459.20 × 2,561.06
  4. Step 4: Simplify right side
    3,955.88x = 13,981,305.05
  5. Step 5: Solve for x
    x = 13,981,305.05/3,955.88
  6. Step 6: Final answer
    x = 3,534.31

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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.