Home / 2,556.09-3,529.62-1,613.57

Finding the Fourth Proportional to 2,556.09, 3,529.62 and 1,613.57

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Solution

The fourth proportional to 2,556.09, 3,529.62 and 1,613.57 is: 2,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.09 : 3,529.62 = 1,613.57 : x
  2. Step 2: Convert to fraction form
    2,556.09/3,529.62 = 1,613.57/x
  3. Step 3: Cross multiply
    2,556.09x = 3,529.62 × 1,613.57
  4. Step 4: Simplify right side
    2,556.09x = 5,695,271.30
  5. Step 5: Solve for x
    x = 5,695,271.30/2,556.09
  6. Step 6: Final answer
    x = 2,228.12

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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.