Home / 3,256.80-4,872.56-2,887.36

Finding the Fourth Proportional to 3,256.80, 4,872.56 and 2,887.36

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Solution

The fourth proportional to 3,256.80, 4,872.56 and 2,887.36 is: 4,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.80 : 4,872.56 = 2,887.36 : x
  2. Step 2: Convert to fraction form
    3,256.80/4,872.56 = 2,887.36/x
  3. Step 3: Cross multiply
    3,256.80x = 4,872.56 × 2,887.36
  4. Step 4: Simplify right side
    3,256.80x = 14,068,834.84
  5. Step 5: Solve for x
    x = 14,068,834.84/3,256.80
  6. Step 6: Final answer
    x = 4,319.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.