Home / 3,381.36-4,665.96-1,983.84

Finding the Fourth Proportional to 3,381.36, 4,665.96 and 1,983.84

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Solution

The fourth proportional to 3,381.36, 4,665.96 and 1,983.84 is: 2,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.36 : 4,665.96 = 1,983.84 : x
  2. Step 2: Convert to fraction form
    3,381.36/4,665.96 = 1,983.84/x
  3. Step 3: Cross multiply
    3,381.36x = 4,665.96 × 1,983.84
  4. Step 4: Simplify right side
    3,381.36x = 9,256,518.09
  5. Step 5: Solve for x
    x = 9,256,518.09/3,381.36
  6. Step 6: Final answer
    x = 2,737.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.