Home / 3,145.25-4,339.54-2,026.84

Finding the Fourth Proportional to 3,145.25, 4,339.54 and 2,026.84

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Solution

The fourth proportional to 3,145.25, 4,339.54 and 2,026.84 is: 2,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.25 : 4,339.54 = 2,026.84 : x
  2. Step 2: Convert to fraction form
    3,145.25/4,339.54 = 2,026.84/x
  3. Step 3: Cross multiply
    3,145.25x = 4,339.54 × 2,026.84
  4. Step 4: Simplify right side
    3,145.25x = 8,795,553.25
  5. Step 5: Solve for x
    x = 8,795,553.25/3,145.25
  6. Step 6: Final answer
    x = 2,796.46

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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.