Home / 2,354.85-3,249.68-1,292.63

Finding the Fourth Proportional to 2,354.85, 3,249.68 and 1,292.63

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Solution

The fourth proportional to 2,354.85, 3,249.68 and 1,292.63 is: 1,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.85 : 3,249.68 = 1,292.63 : x
  2. Step 2: Convert to fraction form
    2,354.85/3,249.68 = 1,292.63/x
  3. Step 3: Cross multiply
    2,354.85x = 3,249.68 × 1,292.63
  4. Step 4: Simplify right side
    2,354.85x = 4,200,611.15
  5. Step 5: Solve for x
    x = 4,200,611.15/2,354.85
  6. Step 6: Final answer
    x = 1,783.81

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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.