Home / 4,135.40-5,700.18-3,249.80

Finding the Fourth Proportional to 4,135.40, 5,700.18 and 3,249.80

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Solution

The fourth proportional to 4,135.40, 5,700.18 and 3,249.80 is: 4,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.40 : 5,700.18 = 3,249.80 : x
  2. Step 2: Convert to fraction form
    4,135.40/5,700.18 = 3,249.80/x
  3. Step 3: Cross multiply
    4,135.40x = 5,700.18 × 3,249.80
  4. Step 4: Simplify right side
    4,135.40x = 18,524,444.96
  5. Step 5: Solve for x
    x = 18,524,444.96/4,135.40
  6. Step 6: Final answer
    x = 4,479.48

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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.