Home / 3,256.80-4,875.72-2,556.96

Finding the Fourth Proportional to 3,256.80, 4,875.72 and 2,556.96

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Solution

The fourth proportional to 3,256.80, 4,875.72 and 2,556.96 is: 3,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.80 : 4,875.72 = 2,556.96 : x
  2. Step 2: Convert to fraction form
    3,256.80/4,875.72 = 2,556.96/x
  3. Step 3: Cross multiply
    3,256.80x = 4,875.72 × 2,556.96
  4. Step 4: Simplify right side
    3,256.80x = 12,467,021.01
  5. Step 5: Solve for x
    x = 12,467,021.01/3,256.80
  6. Step 6: Final answer
    x = 3,828.00

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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.