Home / 3,966.60-5,476.44-2,550.88

Finding the Fourth Proportional to 3,966.60, 5,476.44 and 2,550.88

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Solution

The fourth proportional to 3,966.60, 5,476.44 and 2,550.88 is: 3,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.60 : 5,476.44 = 2,550.88 : x
  2. Step 2: Convert to fraction form
    3,966.60/5,476.44 = 2,550.88/x
  3. Step 3: Cross multiply
    3,966.60x = 5,476.44 × 2,550.88
  4. Step 4: Simplify right side
    3,966.60x = 13,969,741.27
  5. Step 5: Solve for x
    x = 13,969,741.27/3,966.60
  6. Step 6: Final answer
    x = 3,521.84

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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.