Home / 3,845.81-5,305.10-2,584.64

Finding the Fourth Proportional to 3,845.81, 5,305.10 and 2,584.64

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Solution

The fourth proportional to 3,845.81, 5,305.10 and 2,584.64 is: 3,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.81 : 5,305.10 = 2,584.64 : x
  2. Step 2: Convert to fraction form
    3,845.81/5,305.10 = 2,584.64/x
  3. Step 3: Cross multiply
    3,845.81x = 5,305.10 × 2,584.64
  4. Step 4: Simplify right side
    3,845.81x = 13,711,774.00
  5. Step 5: Solve for x
    x = 13,711,774.00/3,845.81
  6. Step 6: Final answer
    x = 3,565.38

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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.