Home / 2,836.60-3,914.42-1,658.32

Finding the Fourth Proportional to 2,836.60, 3,914.42 and 1,658.32

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Solution

The fourth proportional to 2,836.60, 3,914.42 and 1,658.32 is: 2,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.60 : 3,914.42 = 1,658.32 : x
  2. Step 2: Convert to fraction form
    2,836.60/3,914.42 = 1,658.32/x
  3. Step 3: Cross multiply
    2,836.60x = 3,914.42 × 1,658.32
  4. Step 4: Simplify right side
    2,836.60x = 6,491,360.97
  5. Step 5: Solve for x
    x = 6,491,360.97/2,836.60
  6. Step 6: Final answer
    x = 2,288.43

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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.