Home / 3,759.28-5,611.36-3,489.01

Finding the Fourth Proportional to 3,759.28, 5,611.36 and 3,489.01

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Solution

The fourth proportional to 3,759.28, 5,611.36 and 3,489.01 is: 5,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.28 : 5,611.36 = 3,489.01 : x
  2. Step 2: Convert to fraction form
    3,759.28/5,611.36 = 3,489.01/x
  3. Step 3: Cross multiply
    3,759.28x = 5,611.36 × 3,489.01
  4. Step 4: Simplify right side
    3,759.28x = 19,578,091.15
  5. Step 5: Solve for x
    x = 19,578,091.15/3,759.28
  6. Step 6: Final answer
    x = 5,207.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.