Home / 3,360.25-5,040.38-1,308.25

Finding the Fourth Proportional to 3,360.25, 5,040.38 and 1,308.25

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Solution

The fourth proportional to 3,360.25, 5,040.38 and 1,308.25 is: 1,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.25 : 5,040.38 = 1,308.25 : x
  2. Step 2: Convert to fraction form
    3,360.25/5,040.38 = 1,308.25/x
  3. Step 3: Cross multiply
    3,360.25x = 5,040.38 × 1,308.25
  4. Step 4: Simplify right side
    3,360.25x = 6,594,077.14
  5. Step 5: Solve for x
    x = 6,594,077.14/3,360.25
  6. Step 6: Final answer
    x = 1,962.38

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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.