Home / 3,934.50-5,429.63-2,741.22

Finding the Fourth Proportional to 3,934.50, 5,429.63 and 2,741.22

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Solution

The fourth proportional to 3,934.50, 5,429.63 and 2,741.22 is: 3,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.50 : 5,429.63 = 2,741.22 : x
  2. Step 2: Convert to fraction form
    3,934.50/5,429.63 = 2,741.22/x
  3. Step 3: Cross multiply
    3,934.50x = 5,429.63 × 2,741.22
  4. Step 4: Simplify right side
    3,934.50x = 14,883,796.64
  5. Step 5: Solve for x
    x = 14,883,796.64/3,934.50
  6. Step 6: Final answer
    x = 3,782.89

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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.