Home / 3,381.03-4,666.01-1,983.78

Finding the Fourth Proportional to 3,381.03, 4,666.01 and 1,983.78

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Solution

The fourth proportional to 3,381.03, 4,666.01 and 1,983.78 is: 2,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.03 : 4,666.01 = 1,983.78 : x
  2. Step 2: Convert to fraction form
    3,381.03/4,666.01 = 1,983.78/x
  3. Step 3: Cross multiply
    3,381.03x = 4,666.01 × 1,983.78
  4. Step 4: Simplify right side
    3,381.03x = 9,256,327.40
  5. Step 5: Solve for x
    x = 9,256,327.40/3,381.03
  6. Step 6: Final answer
    x = 2,737.72

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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.