Home / 3,486.97-4,808.28-2,777.41

Finding the Fourth Proportional to 3,486.97, 4,808.28 and 2,777.41

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Solution

The fourth proportional to 3,486.97, 4,808.28 and 2,777.41 is: 3,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.97 : 4,808.28 = 2,777.41 : x
  2. Step 2: Convert to fraction form
    3,486.97/4,808.28 = 2,777.41/x
  3. Step 3: Cross multiply
    3,486.97x = 4,808.28 × 2,777.41
  4. Step 4: Simplify right side
    3,486.97x = 13,354,564.95
  5. Step 5: Solve for x
    x = 13,354,564.95/3,486.97
  6. Step 6: Final answer
    x = 3,829.85

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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.