Home / 3,927.07-5,890.61-1,153.81

Finding the Fourth Proportional to 3,927.07, 5,890.61 and 1,153.81

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Solution

The fourth proportional to 3,927.07, 5,890.61 and 1,153.81 is: 1,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.07 : 5,890.61 = 1,153.81 : x
  2. Step 2: Convert to fraction form
    3,927.07/5,890.61 = 1,153.81/x
  3. Step 3: Cross multiply
    3,927.07x = 5,890.61 × 1,153.81
  4. Step 4: Simplify right side
    3,927.07x = 6,796,644.72
  5. Step 5: Solve for x
    x = 6,796,644.72/3,927.07
  6. Step 6: Final answer
    x = 1,730.72

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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.