Home / 2,556.82-3,529.35-2,245.40

Finding the Fourth Proportional to 2,556.82, 3,529.35 and 2,245.40

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Solution

The fourth proportional to 2,556.82, 3,529.35 and 2,245.40 is: 3,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.82 : 3,529.35 = 2,245.40 : x
  2. Step 2: Convert to fraction form
    2,556.82/3,529.35 = 2,245.40/x
  3. Step 3: Cross multiply
    2,556.82x = 3,529.35 × 2,245.40
  4. Step 4: Simplify right side
    2,556.82x = 7,924,781.84
  5. Step 5: Solve for x
    x = 7,924,781.84/2,556.82
  6. Step 6: Final answer
    x = 3,099.47

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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.