Home / 2,135.70-2,945.16-1,694.52

Finding the Fourth Proportional to 2,135.70, 2,945.16 and 1,694.52

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Solution

The fourth proportional to 2,135.70, 2,945.16 and 1,694.52 is: 2,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.70 : 2,945.16 = 1,694.52 : x
  2. Step 2: Convert to fraction form
    2,135.70/2,945.16 = 1,694.52/x
  3. Step 3: Cross multiply
    2,135.70x = 2,945.16 × 1,694.52
  4. Step 4: Simplify right side
    2,135.70x = 4,990,632.52
  5. Step 5: Solve for x
    x = 4,990,632.52/2,135.70
  6. Step 6: Final answer
    x = 2,336.77

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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.