Home / 3,823.60-5,268.90-2,828.92

Finding the Fourth Proportional to 3,823.60, 5,268.90 and 2,828.92

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Solution

The fourth proportional to 3,823.60, 5,268.90 and 2,828.92 is: 3,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.60 : 5,268.90 = 2,828.92 : x
  2. Step 2: Convert to fraction form
    3,823.60/5,268.90 = 2,828.92/x
  3. Step 3: Cross multiply
    3,823.60x = 5,268.90 × 2,828.92
  4. Step 4: Simplify right side
    3,823.60x = 14,905,296.59
  5. Step 5: Solve for x
    x = 14,905,296.59/3,823.60
  6. Step 6: Final answer
    x = 3,898.24

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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.