Home / 2,556.68-3,529.38-1,717.96

Finding the Fourth Proportional to 2,556.68, 3,529.38 and 1,717.96

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Solution

The fourth proportional to 2,556.68, 3,529.38 and 1,717.96 is: 2,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.68 : 3,529.38 = 1,717.96 : x
  2. Step 2: Convert to fraction form
    2,556.68/3,529.38 = 1,717.96/x
  3. Step 3: Cross multiply
    2,556.68x = 3,529.38 × 1,717.96
  4. Step 4: Simplify right side
    2,556.68x = 6,063,333.66
  5. Step 5: Solve for x
    x = 6,063,333.66/2,556.68
  6. Step 6: Final answer
    x = 2,371.57

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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.