Home / 3,337.37-5,005.64-1,389.32

Finding the Fourth Proportional to 3,337.37, 5,005.64 and 1,389.32

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Solution

The fourth proportional to 3,337.37, 5,005.64 and 1,389.32 is: 2,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.37 : 5,005.64 = 1,389.32 : x
  2. Step 2: Convert to fraction form
    3,337.37/5,005.64 = 1,389.32/x
  3. Step 3: Cross multiply
    3,337.37x = 5,005.64 × 1,389.32
  4. Step 4: Simplify right side
    3,337.37x = 6,954,414.21
  5. Step 5: Solve for x
    x = 6,954,414.21/3,337.37
  6. Step 6: Final answer
    x = 2,083.80

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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.