Home / 3,039.60-4,553.31-1,393.88

Finding the Fourth Proportional to 3,039.60, 4,553.31 and 1,393.88

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Solution

The fourth proportional to 3,039.60, 4,553.31 and 1,393.88 is: 2,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.60 : 4,553.31 = 1,393.88 : x
  2. Step 2: Convert to fraction form
    3,039.60/4,553.31 = 1,393.88/x
  3. Step 3: Cross multiply
    3,039.60x = 4,553.31 × 1,393.88
  4. Step 4: Simplify right side
    3,039.60x = 6,346,767.74
  5. Step 5: Solve for x
    x = 6,346,767.74/3,039.60
  6. Step 6: Final answer
    x = 2,088.03

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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.