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Finding the Fourth Proportional to 3,950.31, 5,926.07 and 1,485.30

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Solution

The fourth proportional to 3,950.31, 5,926.07 and 1,485.30 is: 2,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.31 : 5,926.07 = 1,485.30 : x
  2. Step 2: Convert to fraction form
    3,950.31/5,926.07 = 1,485.30/x
  3. Step 3: Cross multiply
    3,950.31x = 5,926.07 × 1,485.30
  4. Step 4: Simplify right side
    3,950.31x = 8,801,991.77
  5. Step 5: Solve for x
    x = 8,801,991.77/3,950.31
  6. Step 6: Final answer
    x = 2,228.18

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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.