Home / 2,845.26-4,268.30-896.81

Finding the Fourth Proportional to 2,845.26, 4,268.30 and 896.81

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Solution

The fourth proportional to 2,845.26, 4,268.30 and 896.81 is: 1,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.26 : 4,268.30 = 896.81 : x
  2. Step 2: Convert to fraction form
    2,845.26/4,268.30 = 896.81/x
  3. Step 3: Cross multiply
    2,845.26x = 4,268.30 × 896.81
  4. Step 4: Simplify right side
    2,845.26x = 3,827,828.30
  5. Step 5: Solve for x
    x = 3,827,828.30/2,845.26
  6. Step 6: Final answer
    x = 1,345.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.