Home / 3,926.66-5,890.24-1,153.28

Finding the Fourth Proportional to 3,926.66, 5,890.24 and 1,153.28

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Solution

The fourth proportional to 3,926.66, 5,890.24 and 1,153.28 is: 1,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.66 : 5,890.24 = 1,153.28 : x
  2. Step 2: Convert to fraction form
    3,926.66/5,890.24 = 1,153.28/x
  3. Step 3: Cross multiply
    3,926.66x = 5,890.24 × 1,153.28
  4. Step 4: Simplify right side
    3,926.66x = 6,793,095.99
  5. Step 5: Solve for x
    x = 6,793,095.99/3,926.66
  6. Step 6: Final answer
    x = 1,729.99

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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.