Home / 3,490.32-5,242.41-2,087.44

Finding the Fourth Proportional to 3,490.32, 5,242.41 and 2,087.44

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Solution

The fourth proportional to 3,490.32, 5,242.41 and 2,087.44 is: 3,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.32 : 5,242.41 = 2,087.44 : x
  2. Step 2: Convert to fraction form
    3,490.32/5,242.41 = 2,087.44/x
  3. Step 3: Cross multiply
    3,490.32x = 5,242.41 × 2,087.44
  4. Step 4: Simplify right side
    3,490.32x = 10,943,216.33
  5. Step 5: Solve for x
    x = 10,943,216.33/3,490.32
  6. Step 6: Final answer
    x = 3,135.30

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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.