Home / 3,966.59-5,476.46-2,550.91

Finding the Fourth Proportional to 3,966.59, 5,476.46 and 2,550.91

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Solution

The fourth proportional to 3,966.59, 5,476.46 and 2,550.91 is: 3,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.59 : 5,476.46 = 2,550.91 : x
  2. Step 2: Convert to fraction form
    3,966.59/5,476.46 = 2,550.91/x
  3. Step 3: Cross multiply
    3,966.59x = 5,476.46 × 2,550.91
  4. Step 4: Simplify right side
    3,966.59x = 13,969,956.58
  5. Step 5: Solve for x
    x = 13,969,956.58/3,966.59
  6. Step 6: Final answer
    x = 3,521.91

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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.