Home / 2,723.21-3,758.12-1,779.62

Finding the Fourth Proportional to 2,723.21, 3,758.12 and 1,779.62

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Solution

The fourth proportional to 2,723.21, 3,758.12 and 1,779.62 is: 2,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.21 : 3,758.12 = 1,779.62 : x
  2. Step 2: Convert to fraction form
    2,723.21/3,758.12 = 1,779.62/x
  3. Step 3: Cross multiply
    2,723.21x = 3,758.12 × 1,779.62
  4. Step 4: Simplify right side
    2,723.21x = 6,687,997.83
  5. Step 5: Solve for x
    x = 6,687,997.83/2,723.21
  6. Step 6: Final answer
    x = 2,455.93

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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.