Home / 3,276.63-4,524.96-2,801.78

Finding the Fourth Proportional to 3,276.63, 4,524.96 and 2,801.78

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Solution

The fourth proportional to 3,276.63, 4,524.96 and 2,801.78 is: 3,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.63 : 4,524.96 = 2,801.78 : x
  2. Step 2: Convert to fraction form
    3,276.63/4,524.96 = 2,801.78/x
  3. Step 3: Cross multiply
    3,276.63x = 4,524.96 × 2,801.78
  4. Step 4: Simplify right side
    3,276.63x = 12,677,966.40
  5. Step 5: Solve for x
    x = 12,677,966.40/3,276.63
  6. Step 6: Final answer
    x = 3,869.21

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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.