Home / 3,927.89-5,890.41-1,153.82

Finding the Fourth Proportional to 3,927.89, 5,890.41 and 1,153.82

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Solution

The fourth proportional to 3,927.89, 5,890.41 and 1,153.82 is: 1,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.89 : 5,890.41 = 1,153.82 : x
  2. Step 2: Convert to fraction form
    3,927.89/5,890.41 = 1,153.82/x
  3. Step 3: Cross multiply
    3,927.89x = 5,890.41 × 1,153.82
  4. Step 4: Simplify right side
    3,927.89x = 6,796,443.41
  5. Step 5: Solve for x
    x = 6,796,443.41/3,927.89
  6. Step 6: Final answer
    x = 1,730.31

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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.