Home / 3,836.08-5,293.66-2,157.45

Finding the Fourth Proportional to 3,836.08, 5,293.66 and 2,157.45

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Solution

The fourth proportional to 3,836.08, 5,293.66 and 2,157.45 is: 2,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.08 : 5,293.66 = 2,157.45 : x
  2. Step 2: Convert to fraction form
    3,836.08/5,293.66 = 2,157.45/x
  3. Step 3: Cross multiply
    3,836.08x = 5,293.66 × 2,157.45
  4. Step 4: Simplify right side
    3,836.08x = 11,420,806.77
  5. Step 5: Solve for x
    x = 11,420,806.77/3,836.08
  6. Step 6: Final answer
    x = 2,977.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.