Home / 3,370.41-5,052.35-1,288.81

Finding the Fourth Proportional to 3,370.41, 5,052.35 and 1,288.81

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Solution

The fourth proportional to 3,370.41, 5,052.35 and 1,288.81 is: 1,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.41 : 5,052.35 = 1,288.81 : x
  2. Step 2: Convert to fraction form
    3,370.41/5,052.35 = 1,288.81/x
  3. Step 3: Cross multiply
    3,370.41x = 5,052.35 × 1,288.81
  4. Step 4: Simplify right side
    3,370.41x = 6,511,525.12
  5. Step 5: Solve for x
    x = 6,511,525.12/3,370.41
  6. Step 6: Final answer
    x = 1,931.97

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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.