Home / 3,809.05-5,259.08-2,467.90

Finding the Fourth Proportional to 3,809.05, 5,259.08 and 2,467.90

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Solution

The fourth proportional to 3,809.05, 5,259.08 and 2,467.90 is: 3,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.05 : 5,259.08 = 2,467.90 : x
  2. Step 2: Convert to fraction form
    3,809.05/5,259.08 = 2,467.90/x
  3. Step 3: Cross multiply
    3,809.05x = 5,259.08 × 2,467.90
  4. Step 4: Simplify right side
    3,809.05x = 12,978,883.53
  5. Step 5: Solve for x
    x = 12,978,883.53/3,809.05
  6. Step 6: Final answer
    x = 3,407.38

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1.5x scale

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.