Home / 3,480.15-5,223.87-1,836.26

Finding the Fourth Proportional to 3,480.15, 5,223.87 and 1,836.26

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Solution

The fourth proportional to 3,480.15, 5,223.87 and 1,836.26 is: 2,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.15 : 5,223.87 = 1,836.26 : x
  2. Step 2: Convert to fraction form
    3,480.15/5,223.87 = 1,836.26/x
  3. Step 3: Cross multiply
    3,480.15x = 5,223.87 × 1,836.26
  4. Step 4: Simplify right side
    3,480.15x = 9,592,383.53
  5. Step 5: Solve for x
    x = 9,592,383.53/3,480.15
  6. Step 6: Final answer
    x = 2,756.31

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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.