Home / 3,630.42-5,444.82-1,438.56

Finding the Fourth Proportional to 3,630.42, 5,444.82 and 1,438.56

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Solution

The fourth proportional to 3,630.42, 5,444.82 and 1,438.56 is: 2,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.42 : 5,444.82 = 1,438.56 : x
  2. Step 2: Convert to fraction form
    3,630.42/5,444.82 = 1,438.56/x
  3. Step 3: Cross multiply
    3,630.42x = 5,444.82 × 1,438.56
  4. Step 4: Simplify right side
    3,630.42x = 7,832,700.26
  5. Step 5: Solve for x
    x = 7,832,700.26/3,630.42
  6. Step 6: Final answer
    x = 2,157.52

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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.