Home / 3,371.96-5,056.56-1,988.06

Finding the Fourth Proportional to 3,371.96, 5,056.56 and 1,988.06

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Solution

The fourth proportional to 3,371.96, 5,056.56 and 1,988.06 is: 2,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.96 : 5,056.56 = 1,988.06 : x
  2. Step 2: Convert to fraction form
    3,371.96/5,056.56 = 1,988.06/x
  3. Step 3: Cross multiply
    3,371.96x = 5,056.56 × 1,988.06
  4. Step 4: Simplify right side
    3,371.96x = 10,052,744.67
  5. Step 5: Solve for x
    x = 10,052,744.67/3,371.96
  6. Step 6: Final answer
    x = 2,981.28

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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.