Home / 3,556.78-4,908.40-2,064.76

Finding the Fourth Proportional to 3,556.78, 4,908.40 and 2,064.76

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Solution

The fourth proportional to 3,556.78, 4,908.40 and 2,064.76 is: 2,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.78 : 4,908.40 = 2,064.76 : x
  2. Step 2: Convert to fraction form
    3,556.78/4,908.40 = 2,064.76/x
  3. Step 3: Cross multiply
    3,556.78x = 4,908.40 × 2,064.76
  4. Step 4: Simplify right side
    3,556.78x = 10,134,650.55
  5. Step 5: Solve for x
    x = 10,134,650.55/3,556.78
  6. Step 6: Final answer
    x = 2,849.39

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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.