Home / 3,360.97-5,040.55-1,412.72

Finding the Fourth Proportional to 3,360.97, 5,040.55 and 1,412.72

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Solution

The fourth proportional to 3,360.97, 5,040.55 and 1,412.72 is: 2,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.97 : 5,040.55 = 1,412.72 : x
  2. Step 2: Convert to fraction form
    3,360.97/5,040.55 = 1,412.72/x
  3. Step 3: Cross multiply
    3,360.97x = 5,040.55 × 1,412.72
  4. Step 4: Simplify right side
    3,360.97x = 7,120,873.31
  5. Step 5: Solve for x
    x = 7,120,873.31/3,360.97
  6. Step 6: Final answer
    x = 2,118.70

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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.