Home / 3,556.77-4,906.13-2,560.47

Finding the Fourth Proportional to 3,556.77, 4,906.13 and 2,560.47

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Solution

The fourth proportional to 3,556.77, 4,906.13 and 2,560.47 is: 3,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.77 : 4,906.13 = 2,560.47 : x
  2. Step 2: Convert to fraction form
    3,556.77/4,906.13 = 2,560.47/x
  3. Step 3: Cross multiply
    3,556.77x = 4,906.13 × 2,560.47
  4. Step 4: Simplify right side
    3,556.77x = 12,561,985.88
  5. Step 5: Solve for x
    x = 12,561,985.88/3,556.77
  6. Step 6: Final answer
    x = 3,531.85

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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.