Home / 3,392.89-4,684.28-2,687.58

Finding the Fourth Proportional to 3,392.89, 4,684.28 and 2,687.58

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Solution

The fourth proportional to 3,392.89, 4,684.28 and 2,687.58 is: 3,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.89 : 4,684.28 = 2,687.58 : x
  2. Step 2: Convert to fraction form
    3,392.89/4,684.28 = 2,687.58/x
  3. Step 3: Cross multiply
    3,392.89x = 4,684.28 × 2,687.58
  4. Step 4: Simplify right side
    3,392.89x = 12,589,378.92
  5. Step 5: Solve for x
    x = 12,589,378.92/3,392.89
  6. Step 6: Final answer
    x = 3,710.52

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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.