Home / 3,950.64-5,926.04-1,319.24

Finding the Fourth Proportional to 3,950.64, 5,926.04 and 1,319.24

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Solution

The fourth proportional to 3,950.64, 5,926.04 and 1,319.24 is: 1,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.64 : 5,926.04 = 1,319.24 : x
  2. Step 2: Convert to fraction form
    3,950.64/5,926.04 = 1,319.24/x
  3. Step 3: Cross multiply
    3,950.64x = 5,926.04 × 1,319.24
  4. Step 4: Simplify right side
    3,950.64x = 7,817,842.68
  5. Step 5: Solve for x
    x = 7,817,842.68/3,950.64
  6. Step 6: Final answer
    x = 1,978.88

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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.