Home / 4,002.57-6,005.79-1,664.37

Finding the Fourth Proportional to 4,002.57, 6,005.79 and 1,664.37

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Solution

The fourth proportional to 4,002.57, 6,005.79 and 1,664.37 is: 2,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.57 : 6,005.79 = 1,664.37 : x
  2. Step 2: Convert to fraction form
    4,002.57/6,005.79 = 1,664.37/x
  3. Step 3: Cross multiply
    4,002.57x = 6,005.79 × 1,664.37
  4. Step 4: Simplify right side
    4,002.57x = 9,995,856.70
  5. Step 5: Solve for x
    x = 9,995,856.70/4,002.57
  6. Step 6: Final answer
    x = 2,497.36

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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.