Home / 3,175.08-4,381.20-1,777.83

Finding the Fourth Proportional to 3,175.08, 4,381.20 and 1,777.83

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Solution

The fourth proportional to 3,175.08, 4,381.20 and 1,777.83 is: 2,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.08 : 4,381.20 = 1,777.83 : x
  2. Step 2: Convert to fraction form
    3,175.08/4,381.20 = 1,777.83/x
  3. Step 3: Cross multiply
    3,175.08x = 4,381.20 × 1,777.83
  4. Step 4: Simplify right side
    3,175.08x = 7,789,028.80
  5. Step 5: Solve for x
    x = 7,789,028.80/3,175.08
  6. Step 6: Final answer
    x = 2,453.18

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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.