Home / 3,249.27-4,875.12-1,400.85

Finding the Fourth Proportional to 3,249.27, 4,875.12 and 1,400.85

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Solution

The fourth proportional to 3,249.27, 4,875.12 and 1,400.85 is: 2,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.27 : 4,875.12 = 1,400.85 : x
  2. Step 2: Convert to fraction form
    3,249.27/4,875.12 = 1,400.85/x
  3. Step 3: Cross multiply
    3,249.27x = 4,875.12 × 1,400.85
  4. Step 4: Simplify right side
    3,249.27x = 6,829,311.85
  5. Step 5: Solve for x
    x = 6,829,311.85/3,249.27
  6. Step 6: Final answer
    x = 2,101.80

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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.