Home / 2,165.70-3,250.71-1,192.26

Finding the Fourth Proportional to 2,165.70, 3,250.71 and 1,192.26

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Solution

The fourth proportional to 2,165.70, 3,250.71 and 1,192.26 is: 1,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.70 : 3,250.71 = 1,192.26 : x
  2. Step 2: Convert to fraction form
    2,165.70/3,250.71 = 1,192.26/x
  3. Step 3: Cross multiply
    2,165.70x = 3,250.71 × 1,192.26
  4. Step 4: Simplify right side
    2,165.70x = 3,875,691.50
  5. Step 5: Solve for x
    x = 3,875,691.50/2,165.70
  6. Step 6: Final answer
    x = 1,789.58

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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.