Home / 3,903.45-5,855.16-2,814.74

Finding the Fourth Proportional to 3,903.45, 5,855.16 and 2,814.74

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Solution

The fourth proportional to 3,903.45, 5,855.16 and 2,814.74 is: 4,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.45 : 5,855.16 = 2,814.74 : x
  2. Step 2: Convert to fraction form
    3,903.45/5,855.16 = 2,814.74/x
  3. Step 3: Cross multiply
    3,903.45x = 5,855.16 × 2,814.74
  4. Step 4: Simplify right side
    3,903.45x = 16,480,723.78
  5. Step 5: Solve for x
    x = 16,480,723.78/3,903.45
  6. Step 6: Final answer
    x = 4,222.09

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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.