Home / 3,519.42-5,274.87-1,439.34

Finding the Fourth Proportional to 3,519.42, 5,274.87 and 1,439.34

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Solution

The fourth proportional to 3,519.42, 5,274.87 and 1,439.34 is: 2,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.42 : 5,274.87 = 1,439.34 : x
  2. Step 2: Convert to fraction form
    3,519.42/5,274.87 = 1,439.34/x
  3. Step 3: Cross multiply
    3,519.42x = 5,274.87 × 1,439.34
  4. Step 4: Simplify right side
    3,519.42x = 7,592,331.39
  5. Step 5: Solve for x
    x = 7,592,331.39/3,519.42
  6. Step 6: Final answer
    x = 2,157.27

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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.