Home / 3,735.12-5,155.32-2,164.08

Finding the Fourth Proportional to 3,735.12, 5,155.32 and 2,164.08

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Solution

The fourth proportional to 3,735.12, 5,155.32 and 2,164.08 is: 2,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.12 : 5,155.32 = 2,164.08 : x
  2. Step 2: Convert to fraction form
    3,735.12/5,155.32 = 2,164.08/x
  3. Step 3: Cross multiply
    3,735.12x = 5,155.32 × 2,164.08
  4. Step 4: Simplify right side
    3,735.12x = 11,156,524.91
  5. Step 5: Solve for x
    x = 11,156,524.91/3,735.12
  6. Step 6: Final answer
    x = 2,986.93

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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.