Home / 2,168.58-3,247.62-1,241.32

Finding the Fourth Proportional to 2,168.58, 3,247.62 and 1,241.32

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Solution

The fourth proportional to 2,168.58, 3,247.62 and 1,241.32 is: 1,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.58 : 3,247.62 = 1,241.32 : x
  2. Step 2: Convert to fraction form
    2,168.58/3,247.62 = 1,241.32/x
  3. Step 3: Cross multiply
    2,168.58x = 3,247.62 × 1,241.32
  4. Step 4: Simplify right side
    2,168.58x = 4,031,343.78
  5. Step 5: Solve for x
    x = 4,031,343.78/2,168.58
  6. Step 6: Final answer
    x = 1,858.98

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1.5x scale

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.