Home / 3,807.21-5,253.99-2,235.33

Finding the Fourth Proportional to 3,807.21, 5,253.99 and 2,235.33

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Solution

The fourth proportional to 3,807.21, 5,253.99 and 2,235.33 is: 3,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.21 : 5,253.99 = 2,235.33 : x
  2. Step 2: Convert to fraction form
    3,807.21/5,253.99 = 2,235.33/x
  3. Step 3: Cross multiply
    3,807.21x = 5,253.99 × 2,235.33
  4. Step 4: Simplify right side
    3,807.21x = 11,744,401.47
  5. Step 5: Solve for x
    x = 11,744,401.47/3,807.21
  6. Step 6: Final answer
    x = 3,084.78

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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.