Home / 2,235.70-3,354.69-1,691.23

Finding the Fourth Proportional to 2,235.70, 3,354.69 and 1,691.23

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Solution

The fourth proportional to 2,235.70, 3,354.69 and 1,691.23 is: 2,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.70 : 3,354.69 = 1,691.23 : x
  2. Step 2: Convert to fraction form
    2,235.70/3,354.69 = 1,691.23/x
  3. Step 3: Cross multiply
    2,235.70x = 3,354.69 × 1,691.23
  4. Step 4: Simplify right side
    2,235.70x = 5,673,551.86
  5. Step 5: Solve for x
    x = 5,673,551.86/2,235.70
  6. Step 6: Final answer
    x = 2,537.71

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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.