Home / 3,125.89-4,310.16-2,556.92

Finding the Fourth Proportional to 3,125.89, 4,310.16 and 2,556.92

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Solution

The fourth proportional to 3,125.89, 4,310.16 and 2,556.92 is: 3,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.89 : 4,310.16 = 2,556.92 : x
  2. Step 2: Convert to fraction form
    3,125.89/4,310.16 = 2,556.92/x
  3. Step 3: Cross multiply
    3,125.89x = 4,310.16 × 2,556.92
  4. Step 4: Simplify right side
    3,125.89x = 11,020,725.63
  5. Step 5: Solve for x
    x = 11,020,725.63/3,125.89
  6. Step 6: Final answer
    x = 3,525.63

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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.