Home / 3,797.36-5,702.68-2,157.12

Finding the Fourth Proportional to 3,797.36, 5,702.68 and 2,157.12

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Solution

The fourth proportional to 3,797.36, 5,702.68 and 2,157.12 is: 3,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.36 : 5,702.68 = 2,157.12 : x
  2. Step 2: Convert to fraction form
    3,797.36/5,702.68 = 2,157.12/x
  3. Step 3: Cross multiply
    3,797.36x = 5,702.68 × 2,157.12
  4. Step 4: Simplify right side
    3,797.36x = 12,301,365.08
  5. Step 5: Solve for x
    x = 12,301,365.08/3,797.36
  6. Step 6: Final answer
    x = 3,239.45

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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.