Home / 2,195.31-3,293.37-896.79

Finding the Fourth Proportional to 2,195.31, 3,293.37 and 896.79

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Solution

The fourth proportional to 2,195.31, 3,293.37 and 896.79 is: 1,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.31 : 3,293.37 = 896.79 : x
  2. Step 2: Convert to fraction form
    2,195.31/3,293.37 = 896.79/x
  3. Step 3: Cross multiply
    2,195.31x = 3,293.37 × 896.79
  4. Step 4: Simplify right side
    2,195.31x = 2,953,461.28
  5. Step 5: Solve for x
    x = 2,953,461.28/2,195.31
  6. Step 6: Final answer
    x = 1,345.35

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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.