Home / 3,747.84-5,621.81-1,799.61

Finding the Fourth Proportional to 3,747.84, 5,621.81 and 1,799.61

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Solution

The fourth proportional to 3,747.84, 5,621.81 and 1,799.61 is: 2,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.84 : 5,621.81 = 1,799.61 : x
  2. Step 2: Convert to fraction form
    3,747.84/5,621.81 = 1,799.61/x
  3. Step 3: Cross multiply
    3,747.84x = 5,621.81 × 1,799.61
  4. Step 4: Simplify right side
    3,747.84x = 10,117,056.50
  5. Step 5: Solve for x
    x = 10,117,056.50/3,747.84
  6. Step 6: Final answer
    x = 2,699.44

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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.