Home / 2,354.94-3,249.72-1,306.80

Finding the Fourth Proportional to 2,354.94, 3,249.72 and 1,306.80

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Solution

The fourth proportional to 2,354.94, 3,249.72 and 1,306.80 is: 1,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.94 : 3,249.72 = 1,306.80 : x
  2. Step 2: Convert to fraction form
    2,354.94/3,249.72 = 1,306.80/x
  3. Step 3: Cross multiply
    2,354.94x = 3,249.72 × 1,306.80
  4. Step 4: Simplify right side
    2,354.94x = 4,246,734.10
  5. Step 5: Solve for x
    x = 4,246,734.10/2,354.94
  6. Step 6: Final answer
    x = 1,803.33

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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.