Home / 3,807.36-5,250.96-2,480.04

Finding the Fourth Proportional to 3,807.36, 5,250.96 and 2,480.04

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Solution

The fourth proportional to 3,807.36, 5,250.96 and 2,480.04 is: 3,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.36 : 5,250.96 = 2,480.04 : x
  2. Step 2: Convert to fraction form
    3,807.36/5,250.96 = 2,480.04/x
  3. Step 3: Cross multiply
    3,807.36x = 5,250.96 × 2,480.04
  4. Step 4: Simplify right side
    3,807.36x = 13,022,590.84
  5. Step 5: Solve for x
    x = 13,022,590.84/3,807.36
  6. Step 6: Final answer
    x = 3,420.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.